63231868 has 24 divisors (see below), whose sum is σ = 128540384. Its totient is φ = 26654400.

The previous prime is 63231863. The next prime is 63231871. The reversal of 63231868 is 86813236.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63231863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16803 + ... + 20218.

Almost surely, 2^63231868 is an apocalyptic number.

It is an amenable number.

63231868 is an abundant number, since it is smaller than the sum of its proper divisors (65308516).

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

63231868 is a wasteful number, since it uses less digits than its factorization.

63231868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37093 (or 37091 counting only the distinct ones).

The product of its digits is 41472, while the sum is 37.

The square root of 63231868 is about 7951.8468295107. The cubic root of 63231868 is about 398.3932797665.

It can be divided in two parts, 63 and 231868, that multiplied together give a square (14607684 = 3822²).

The spelling of 63231868 in words is "sixty-three million, two hundred thirty-one thousand, eight hundred sixty-eight".