623957231931264 has 2304 divisors, whose sum is σ = 2460281157734400. Its totient is φ = 147276693504000.

The previous prime is 623957231931157. The next prime is 623957231931269. The reversal of 623957231931264 is 462139132759326.

It is a happy number.

623957231931264 is a `hidden beast` number, since 6 + 2 + 3 + 9 + 57 + 2 + 319 + 3 + 1 + 264 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623957231931269) by changing a digit.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 611123635074 + ... + 611123636094.

It is an arithmetic number, because the mean of its divisors is an integer number (1067830363600).

Almost surely, 2^{623957231931264} is an apocalyptic number.

623957231931264 is a gapful number since it is divisible by the number (64) 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 623957231931264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1230140578867200).

623957231931264 is an abundant number, since it is smaller than the sum of its proper divisors (1836323925803136).

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

623957231931264 is a wasteful number, since it uses less digits than its factorization.

623957231931264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1893 (or 1861 counting only the distinct ones).

The product of its digits is 88179840, while the sum is 63.

The spelling of 623957231931264 in words is "six hundred twenty-three trillion, nine hundred fifty-seven billion, two hundred thirty-one million, nine hundred thirty-one thousand, two hundred sixty-four".