23112131330 has 16 divisors (see below), whose sum is σ = 41678744184. Its totient is φ = 9227761920.

The previous prime is 23112131323. The next prime is 23112131333. The reversal of 23112131330 is 3313121132.

It can be written as a sum of positive squares in 4 ways, for example, as 13847876329 + 9264255001 = 117677^2 + 96251^2 .

It is a super-2 number, since 2×23112131330² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23112131333) 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, 2130647 + ... + 2141466.

Almost surely, 2^23112131330 is an apocalyptic number.

23112131330 is a deficient number, since it is larger than the sum of its proper divisors (18566612854).

23112131330 is a wasteful number, since it uses less digits than its factorization.

23112131330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4272661.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 23112131330 its reverse (3313121132), we get a palindrome (26425252462).

The spelling of 23112131330 in words is "twenty-three billion, one hundred twelve million, one hundred thirty-one thousand, three hundred thirty".