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23124203101 = 99123334211
BaseRepresentation
bin10101100010010011…
…110101011001011101
32012200120021020012201
4111202103311121131
5334324243444401
614342331531501
71446016324516
oct254223653135
965616236181
1023124203101
11989701205a
1245942b9b91
132246a2821c
1411951bda0d
15905195b01
hex5624f565d

23124203101 has 4 divisors (see below), whose sum is σ = 23147538304. Its totient is φ = 23100867900.

The previous prime is 23124203093. The next prime is 23124203119. The reversal of 23124203101 is 10130242132.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23124203101 - 23 = 23124203093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23124203191) 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 3 ways as a sum of consecutive naturals, for example, 11666115 + ... + 11668096.

It is an arithmetic number, because the mean of its divisors is an integer number (5786884576).

Almost surely, 223124203101 is an apocalyptic number.

It is an amenable number.

23124203101 is a deficient number, since it is larger than the sum of its proper divisors (23335203).

23124203101 is an equidigital number, since it uses as much as digits as its factorization.

23124203101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23335202.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 23124203101 its reverse (10130242132), we get a palindrome (33254445233).

The spelling of 23124203101 in words is "twenty-three billion, one hundred twenty-four million, two hundred three thousand, one hundred one".

Divisors: 1 991 23334211 23124203101