23001110131021 has 16 divisors (see below), whose sum is σ = 25112109153600. Its totient is φ = 20893448908800.

The previous prime is 23001110130979. The next prime is 23001110131067. The reversal of 23001110131021 is 12013101110032.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 23001110131021 - 2²⁹ = 23000573260109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23001110130986 and 23001110131004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23001110131921) 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, 74145166 + ... + 74454736.

It is an arithmetic number, because the mean of its divisors is an integer number (1569506822100).

Almost surely, 2^{23001110131021} is an apocalyptic number.

It is an amenable number.

23001110131021 is a deficient number, since it is larger than the sum of its proper divisors (2110999022579).

23001110131021 is a wasteful number, since it uses less digits than its factorization.

23001110131021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314940.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 23001110131021 its reverse (12013101110032), we get a palindrome (35014211241053).

The spelling of 23001110131021 in words is "twenty-three trillion, one billion, one hundred ten million, one hundred thirty-one thousand, twenty-one".