631346621123 has 16 divisors (see below), whose sum is σ = 655242441216. Its totient is φ = 607878976320.

The previous prime is 631346621107. The next prime is 631346621131. The reversal of 631346621123 is 321126643136.

It is a cyclic number.

It is not a de Polignac number, because 631346621123 - 2⁴ = 631346621107 is a prime.

It is a super-2 number, since 2×631346621123² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (631346621153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5692586 + ... + 5802432.

It is an arithmetic number, because the mean of its divisors is an integer number (40952652576).

Almost surely, 2^631346621123 is an apocalyptic number.

631346621123 is a deficient number, since it is larger than the sum of its proper divisors (23895820093).

631346621123 is a wasteful number, since it uses less digits than its factorization.

631346621123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111794.

The product of its digits is 93312, while the sum is 38.

The spelling of 631346621123 in words is "six hundred thirty-one billion, three hundred forty-six million, six hundred twenty-one thousand, one hundred twenty-three".