623620148 has 12 divisors (see below), whose sum is σ = 1093179780. Its totient is φ = 311283072.

The previous prime is 623620139. The next prime is 623620187. The reversal of 623620148 is 841026326.

It can be written as a sum of positive squares in 2 ways, for example, as 511302544 + 112317604 = 22612^2 + 10598^2 .

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, 129083 + ... + 133826.

It is an arithmetic number, because the mean of its divisors is an integer number (91098315).

Almost surely, 2^623620148 is an apocalyptic number.

It is an amenable number.

623620148 is a deficient number, since it is larger than the sum of its proper divisors (469559632).

623620148 is a wasteful number, since it uses less digits than its factorization.

623620148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263506 (or 263504 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 623620148 is about 24972.3877112302. The cubic root of 623620148 is about 854.3583060640.

The spelling of 623620148 in words is "six hundred twenty-three million, six hundred twenty thousand, one hundred forty-eight".