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123231310033 = 1389631057607
BaseRepresentation
bin111001011000100101…
…0001001000011010001
3102210002012110011112211
41302301022021003101
54004334203410113
6132340042352121
711621533565236
oct1626112110321
9383065404484
10123231310033
1148297953187
121ba71abb641
13b80b799240
145d7056178d
1533139dab3d
hex1cb12890d1

123231310033 has 8 divisors (see below), whose sum is σ = 132725573568. Its totient is φ = 113739179664.

The previous prime is 123231309941. The next prime is 123231310043. The reversal of 123231310033 is 330013132321.

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

It is a cyclic number.

It is not a de Polignac number, because 123231310033 - 221 = 123229212881 is a prime.

It is a super-2 number, since 2×1232313100332 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123231309986 and 123231310013.

It is not an unprimeable number, because it can be changed into a prime (123231310043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 412285 + ... + 645322.

It is an arithmetic number, because the mean of its divisors is an integer number (16590696696).

Almost surely, 2123231310033 is an apocalyptic number.

123231310033 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

123231310033 is a deficient number, since it is larger than the sum of its proper divisors (9494263535).

123231310033 is a wasteful number, since it uses less digits than its factorization.

123231310033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066583.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 123231310033 its reverse (330013132321), we get a palindrome (453244442354).

The spelling of 123231310033 in words is "one hundred twenty-three billion, two hundred thirty-one million, three hundred ten thousand, thirty-three".

Divisors: 1 13 8963 116519 1057607 13748891 9479331541 123231310033