623023572 has 12 divisors (see below), whose sum is σ = 1453721696. Its totient is φ = 207674520.

The previous prime is 623023543. The next prime is 623023573. The reversal of 623023572 is 275320326.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623023573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25959304 + ... + 25959327.

Almost surely, 2^623023572 is an apocalyptic number.

It is an amenable number.

623023572 is an abundant number, since it is smaller than the sum of its proper divisors (830698124).

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

623023572 is a wasteful number, since it uses less digits than its factorization.

623023572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51918638 (or 51918636 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 30.

The square root of 623023572 is about 24960.4401403501. The cubic root of 623023572 is about 854.0857831842.

Adding to 623023572 its reverse (275320326), we get a palindrome (898343898).

The spelling of 623023572 in words is "six hundred twenty-three million, twenty-three thousand, five hundred seventy-two".