23032131321 has 8 divisors (see below), whose sum is σ = 30912883264. Its totient is φ = 15253066800.

The previous prime is 23032131319. The next prime is 23032131337. The reversal of 23032131321 is 12313123032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23032131321 - 2¹ = 23032131319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23032131361) 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, 25421326 + ... + 25422231.

It is an arithmetic number, because the mean of its divisors is an integer number (3864110408).

Almost surely, 2^23032131321 is an apocalyptic number.

It is an amenable number.

23032131321 is a deficient number, since it is larger than the sum of its proper divisors (7880751943).

23032131321 is a wasteful number, since it uses less digits than its factorization.

23032131321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50843711.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 23032131321 its reverse (12313123032), we get a palindrome (35345254353).

The spelling of 23032131321 in words is "twenty-three billion, thirty-two million, one hundred thirty-one thousand, three hundred twenty-one".