623654552 has 16 divisors (see below), whose sum is σ = 1169672400. Its totient is φ = 311741920.

The previous prime is 623654543. The next prime is 623654569. The reversal of 623654552 is 255456326.

It is a super-3 number, since 3×623654552³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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, 29102 + ... + 45762.

It is an arithmetic number, because the mean of its divisors is an integer number (73104525).

Almost surely, 2^623654552 is an apocalyptic number.

It is an amenable number.

623654552 is a deficient number, since it is larger than the sum of its proper divisors (546017848).

623654552 is a wasteful number, since it uses less digits than its factorization.

623654552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21346 (or 21342 counting only the distinct ones).

The product of its digits is 216000, while the sum is 38.

The square root of 623654552 is about 24973.0765425488. The cubic root of 623654552 is about 854.3740169113.

The spelling of 623654552 in words is "six hundred twenty-three million, six hundred fifty-four thousand, five hundred fifty-two".