23040131021 has 8 divisors (see below), whose sum is σ = 24066357120. Its totient is φ = 22015945072.

The previous prime is 23040131017. The next prime is 23040131117. The reversal of 23040131021 is 12013104032.

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 23040131021 - 2² = 23040131017 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 (23040131321) 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, 486926 + ... + 532143.

It is an arithmetic number, because the mean of its divisors is an integer number (3008294640).

Almost surely, 2^23040131021 is an apocalyptic number.

It is an amenable number.

23040131021 is a deficient number, since it is larger than the sum of its proper divisors (1026226099).

23040131021 is a wasteful number, since it uses less digits than its factorization.

23040131021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020075.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 23040131021 its reverse (12013104032), we get a palindrome (35053235053).

The spelling of 23040131021 in words is "twenty-three billion, forty million, one hundred thirty-one thousand, twenty-one".