20231312651406 has 32 divisors (see below), whose sum is σ = 44961166848000. Its totient is φ = 6743366740440.

The previous prime is 20231312651387. The next prime is 20231312651411. The reversal of 20231312651406 is 60415621313202.

20231312651406 is a `hidden beast` number, since 2 + 0 + 2 + 3 + 13 + 126 + 514 + 0 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10316110 + ... + 12119601.

It is an arithmetic number, because the mean of its divisors is an integer number (1405036464000).

Almost surely, 2^{20231312651406} is an apocalyptic number.

20231312651406 is an abundant number, since it is smaller than the sum of its proper divisors (24729854196594).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20231312651406 is a wasteful number, since it uses less digits than its factorization.

20231312651406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22452421 (or 22452415 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

Adding to 20231312651406 its reverse (60415621313202), we get a palindrome (80646933964608).

The spelling of 20231312651406 in words is "twenty trillion, two hundred thirty-one billion, three hundred twelve million, six hundred fifty-one thousand, four hundred six".