631914590223 has 72 divisors (see below), whose sum is σ = 1109267254368. Its totient is φ = 344984669568.

The previous prime is 631914590191. The next prime is 631914590243. The reversal of 631914590223 is 322095419136.

631914590223 is a `hidden beast` number, since 6 + 3 + 191 + 459 + 0 + 2 + 2 + 3 = 666.

It is not a de Polignac number, because 631914590223 - 2⁵ = 631914590191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631914590243) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 8615461 + ... + 8688497.

It is an arithmetic number, because the mean of its divisors is an integer number (15406489644).

Almost surely, 2^631914590223 is an apocalyptic number.

631914590223 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

631914590223 is a deficient number, since it is larger than the sum of its proper divisors (477352664145).

631914590223 is a wasteful number, since it uses less digits than its factorization.

631914590223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73933 (or 73923 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The spelling of 631914590223 in words is "six hundred thirty-one billion, nine hundred fourteen million, five hundred ninety thousand, two hundred twenty-three".