63123956 has 36 divisors (see below), whose sum is σ = 128969568. Its totient is φ = 26954928.

The previous prime is 63123943. The next prime is 63123989. The reversal of 63123956 is 65932136.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86465 + ... + 87191.

It is an arithmetic number, because the mean of its divisors is an integer number (3582488).

Almost surely, 2^63123956 is an apocalyptic number.

It is an amenable number.

63123956 is an abundant number, since it is smaller than the sum of its proper divisors (65845612).

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

63123956 is a wasteful number, since it uses less digits than its factorization.

63123956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1188 (or 1179 counting only the distinct ones).

The product of its digits is 29160, while the sum is 35.

The square root of 63123956 is about 7945.0585900923. The cubic root of 63123956 is about 398.1665170245.

The spelling of 63123956 in words is "sixty-three million, one hundred twenty-three thousand, nine hundred fifty-six".