623172480 has 256 divisors, whose sum is σ = 2291328000. Its totient is φ = 141115392.

The previous prime is 623172443. The next prime is 623172493. The reversal of 623172480 is 84271326.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2674444 + ... + 2674676.

It is an arithmetic number, because the mean of its divisors is an integer number (8950500).

Almost surely, 2^623172480 is an apocalyptic number.

623172480 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 623172480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1145664000).

623172480 is an abundant number, since it is smaller than the sum of its proper divisors (1668155520).

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

623172480 is a wasteful number, since it uses less digits than its factorization.

623172480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461 (or 449 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 623172480 is about 24963.4228422306. The cubic root of 623172480 is about 854.1538223834.

The spelling of 623172480 in words is "six hundred twenty-three million, one hundred seventy-two thousand, four hundred eighty".