23113421331 has 96 divisors (see below), whose sum is σ = 42820399104. Its totient is φ = 10783238400.

The previous prime is 23113421327. The next prime is 23113421351. The reversal of 23113421331 is 13312431132.

It is not a de Polignac number, because 23113421331 - 2² = 23113421327 is a prime.

It is a super-2 number, since 2×23113421331² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23113421311) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1212766 + ... + 1231676.

It is an arithmetic number, because the mean of its divisors is an integer number (446045824).

Almost surely, 2^23113421331 is an apocalyptic number.

23113421331 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

23113421331 is a deficient number, since it is larger than the sum of its proper divisors (19706977773).

23113421331 is a wasteful number, since it uses less digits than its factorization.

23113421331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18993 (or 18982 counting only the distinct ones).

The product of its digits is 1296, while the sum is 24.

Adding to 23113421331 its reverse (13312431132), we get a palindrome (36425852463).

It can be divided in two parts, 23113 and 421331, that added together give a palindrome (444444).

The spelling of 23113421331 in words is "twenty-three billion, one hundred thirteen million, four hundred twenty-one thousand, three hundred thirty-one".