623370240 has 336 divisors, whose sum is σ = 2300173200. Its totient is φ = 155713536.

The previous prime is 623370239. The next prime is 623370281. The reversal of 623370240 is 42073326.

623370240 is a `hidden beast` number, since 623 + 37 + 0 + 2 + 4 + 0 = 666.

It is a super-2 number, since 2×623370240² = 777180912235315200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7004116 + ... + 7004204.

Almost surely, 2^623370240 is an apocalyptic number.

623370240 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 623370240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1150086600).

623370240 is an abundant number, since it is smaller than the sum of its proper divisors (1676802960).

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

623370240 is a wasteful number, since it uses less digits than its factorization.

623370240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145 (or 118 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 27.

The square root of 623370240 is about 24967.3835233090. The cubic root of 623370240 is about 854.2441663358.

The spelling of 623370240 in words is "six hundred twenty-three million, three hundred seventy thousand, two hundred forty".