623148880 has 40 divisors (see below), whose sum is σ = 1454877864. Its totient is φ = 248217600.

The previous prime is 623148863. The next prime is 623148893. The reversal of 623148880 is 88841326.

It can be written as a sum of positive squares in 4 ways, for example, as 88059456 + 535089424 = 9384^2 + 23132^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3120 + ... + 35440.

Almost surely, 2^623148880 is an apocalyptic number.

It is an amenable number.

623148880 is an abundant number, since it is smaller than the sum of its proper divisors (831728984).

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

623148880 is a wasteful number, since it uses less digits than its factorization.

623148880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32575 (or 32569 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 40.

The square root of 623148880 is about 24962.9501461666. The cubic root of 623148880 is about 854.1430397695.

The spelling of 623148880 in words is "six hundred twenty-three million, one hundred forty-eight thousand, eight hundred eighty".