23112100321 has 16 divisors (see below), whose sum is σ = 25557752448. Its totient is φ = 20788768000.

The previous prime is 23112100301. The next prime is 23112100373. The reversal of 23112100321 is 12300121132.

It is a cyclic number.

It is not a de Polignac number, because 23112100321 - 2⁹ = 23112099809 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23112100295 and 23112100304.

It is not an unprimeable number, because it can be changed into a prime (23112100301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 436746 + ... + 486796.

It is an arithmetic number, because the mean of its divisors is an integer number (1597359528).

Almost surely, 2^23112100321 is an apocalyptic number.

It is an amenable number.

23112100321 is a deficient number, since it is larger than the sum of its proper divisors (2445652127).

23112100321 is a wasteful number, since it uses less digits than its factorization.

23112100321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51272.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 23112100321 its reverse (12300121132), we get a palindrome (35412221453).

The spelling of 23112100321 in words is "twenty-three billion, one hundred twelve million, one hundred thousand, three hundred twenty-one".