623696787324 has 384 divisors, whose sum is σ = 1852524011520. Its totient is φ = 180092160000.

The previous prime is 623696787323. The next prime is 623696787331. The reversal of 623696787324 is 423787696326.

623696787324 is a `hidden beast` number, since 6 + 236 + 9 + 6 + 78 + 7 + 324 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623696787323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 322990639 + ... + 322992569.

It is an arithmetic number, because the mean of its divisors is an integer number (4824281280).

Almost surely, 2^623696787324 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 623696787324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (926262005760).

623696787324 is an abundant number, since it is smaller than the sum of its proper divisors (1228827224196).

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

623696787324 is a wasteful number, since it uses less digits than its factorization.

623696787324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2210 (or 2202 counting only the distinct ones).

The product of its digits is 109734912, while the sum is 63.

The spelling of 623696787324 in words is "six hundred twenty-three billion, six hundred ninety-six million, seven hundred eighty-seven thousand, three hundred twenty-four".