623253697560 has 256 divisors, whose sum is σ = 2237993049600. Its totient is φ = 153370215936.

The previous prime is 623253697559. The next prime is 623253697567. The reversal of 623253697560 is 65796352326.

623253697560 is a `hidden beast` number, since 6 + 2 + 32 + 536 + 9 + 75 + 6 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 623253697497 and 623253697506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623253697567) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 90231627 + ... + 90238533.

It is an arithmetic number, because the mean of its divisors is an integer number (8742160350).

Almost surely, 2^623253697560 is an apocalyptic number.

623253697560 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 623253697560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1118996524800).

623253697560 is an abundant number, since it is smaller than the sum of its proper divisors (1614739352040).

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

623253697560 is a wasteful number, since it uses less digits than its factorization.

623253697560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13367 (or 13357 counting only the distinct ones).

The product of its (nonzero) digits is 12247200, while the sum is 54.

The spelling of 623253697560 in words is "six hundred twenty-three billion, two hundred fifty-three million, six hundred ninety-seven thousand, five hundred sixty".