23202132321 has 16 divisors (see below), whose sum is σ = 34479950400. Its totient is φ = 13791979008.

The previous prime is 23202132299. The next prime is 23202132337. The reversal of 23202132321 is 12323120232.

It is a happy number.

It is not a de Polignac number, because 23202132321 - 2¹³ = 23202124129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23202132521) 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, 11971236 + ... + 11973173.

It is an arithmetic number, because the mean of its divisors is an integer number (2154996900).

Almost surely, 2^23202132321 is an apocalyptic number.

It is an amenable number.

23202132321 is a deficient number, since it is larger than the sum of its proper divisors (11277818079).

23202132321 is a wasteful number, since it uses less digits than its factorization.

23202132321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23944448.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 23202132321 its reverse (12323120232), we get a palindrome (35525252553).

The spelling of 23202132321 in words is "twenty-three billion, two hundred two million, one hundred thirty-two thousand, three hundred twenty-one".