623788632 has 96 divisors (see below), whose sum is σ = 1716733200. Its totient is φ = 204602112.

The previous prime is 623788631. The next prime is 623788657. The reversal of 623788632 is 236887326.

623788632 is a `hidden beast` number, since 6 + 2 + 3 + 7 + 8 + 8 + 632 = 666.

It is a super-2 number, since 2×623788632² = 778224514824862848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623788631) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1571058 + ... + 1571454.

Almost surely, 2^623788632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 623788632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (858366600).

623788632 is an abundant number, since it is smaller than the sum of its proper divisors (1092944568).

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

623788632 is a wasteful number, since it uses less digits than its factorization.

623788632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705 (or 698 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 623788632 is about 24975.7608893103. The cubic root of 623788632 is about 854.4352400459.

It can be divided in two parts, 62378863 and 2, that added together give a triangular number (62378865 = T₁₁₁₆₉).

The spelling of 623788632 in words is "six hundred twenty-three million, seven hundred eighty-eight thousand, six hundred thirty-two".