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1301123023 = 5383295777
BaseRepresentation
bin100110110001101…
…1000111111001111
310100200021220020121
41031203120333033
510131041414043
6333035325411
744146235404
oct11543307717
93320256217
101301123023
116084a4a92
123038b0867
1317973c1a5
14c4b342ab
1579362ded
hex4d8d8fcf

1301123023 has 8 divisors (see below), whose sum is σ = 1341649008. Its totient is φ = 1261188864.

The previous prime is 1301123009. The next prime is 1301123029. The reversal of 1301123023 is 3203211031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1301123023 is a prime.

It is a super-2 number, since 2×13011230232 = 3385842241961317058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1301122988 and 1301123006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301123029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143490 + ... + 152287.

It is an arithmetic number, because the mean of its divisors is an integer number (167706126).

Almost surely, 21301123023 is an apocalyptic number.

1301123023 is a deficient number, since it is larger than the sum of its proper divisors (40525985).

1301123023 is an equidigital number, since it uses as much as digits as its factorization.

1301123023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295913.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1301123023 is about 36071.0829197018. The cubic root of 1301123023 is about 1091.7070642264.

Adding to 1301123023 its reverse (3203211031), we get a palindrome (4504334054).

The spelling of 1301123023 in words is "one billion, three hundred one million, one hundred twenty-three thousand, twenty-three".

Divisors: 1 53 83 4399 295777 15676181 24549491 1301123023