23120100321 has 16 divisors (see below), whose sum is σ = 30896370624. Its totient is φ = 15378646464.

The previous prime is 23120100307. The next prime is 23120100329. The reversal of 23120100321 is 12300102132.

It is not a de Polignac number, because 23120100321 - 2⁷ = 23120100193 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23120100321.

It is not an unprimeable number, because it can be changed into a prime (23120100329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6191571 + ... + 6195303.

It is an arithmetic number, because the mean of its divisors is an integer number (1931023164).

Almost surely, 2^23120100321 is an apocalyptic number.

It is an amenable number.

23120100321 is a deficient number, since it is larger than the sum of its proper divisors (7776270303).

23120100321 is a wasteful number, since it uses less digits than its factorization.

23120100321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7840.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 23120100321 its reverse (12300102132), we get a palindrome (35420202453).

The spelling of 23120100321 in words is "twenty-three billion, one hundred twenty million, one hundred thousand, three hundred twenty-one".