23131232221001 has 8 divisors (see below), whose sum is σ = 23291885011200. Its totient is φ = 22970677665600.

The previous prime is 23131232220959. The next prime is 23131232221003. The reversal of 23131232221001 is 10012223213132.

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 23131232221001 - 2²⁶ = 23131165112137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23131232221003) 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, 24086096 + ... + 25028033.

It is an arithmetic number, because the mean of its divisors is an integer number (2911485626400).

Almost surely, 2^{23131232221001} is an apocalyptic number.

It is an amenable number.

23131232221001 is a deficient number, since it is larger than the sum of its proper divisors (160652790199).

23131232221001 is a wasteful number, since it uses less digits than its factorization.

23131232221001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49117399.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 23131232221001 its reverse (10012223213132), we get a palindrome (33143455434133).

The spelling of 23131232221001 in words is "twenty-three trillion, one hundred thirty-one billion, two hundred thirty-two million, two hundred twenty-one thousand, one".