23203212131 has 8 divisors (see below), whose sum is σ = 25313793024. Its totient is φ = 21092830920.

The previous prime is 23203212031. The next prime is 23203212143. The reversal of 23203212131 is 13121230232.

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 23203212131 - 2¹⁴ = 23203195747 is a prime.

It is a super-2 number, since 2×23203212131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23203212031) 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, 299306 + ... + 368768.

It is an arithmetic number, because the mean of its divisors is an integer number (3164224128).

Almost surely, 2^23203212131 is an apocalyptic number.

23203212131 is a deficient number, since it is larger than the sum of its proper divisors (2110580893).

23203212131 is a wasteful number, since it uses less digits than its factorization.

23203212131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99841.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 23203212131 its reverse (13121230232), we get a palindrome (36324442363).

The spelling of 23203212131 in words is "twenty-three billion, two hundred three million, two hundred twelve thousand, one hundred thirty-one".