23213230131 has 16 divisors (see below), whose sum is σ = 38093506304. Its totient is φ = 12244341024.

The previous prime is 23213230129. The next prime is 23213230181. The reversal of 23213230131 is 13103231232.

It is not a de Polignac number, because 23213230131 - 2¹ = 23213230129 is a prime.

It is a super-2 number, since 2×23213230131² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 23213230098 and 23213230107.

It is not an unprimeable number, because it can be changed into a prime (23213230121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42514801 + ... + 42515346.

It is an arithmetic number, because the mean of its divisors is an integer number (2380844144).

Almost surely, 2^23213230131 is an apocalyptic number.

23213230131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

23213230131 is a deficient number, since it is larger than the sum of its proper divisors (14880276173).

23213230131 is a wasteful number, since it uses less digits than its factorization.

23213230131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85030170.

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

Adding to 23213230131 its reverse (13103231232), we get a palindrome (36316461363).

The spelling of 23213230131 in words is "twenty-three billion, two hundred thirteen million, two hundred thirty thousand, one hundred thirty-one".