623120156 has 6 divisors (see below), whose sum is σ = 1090460280. Its totient is φ = 311560076.

The previous prime is 623120153. The next prime is 623120213. The reversal of 623120156 is 651021326.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623120153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77890016 + ... + 77890023.

It is an arithmetic number, because the mean of its divisors is an integer number (181743380).

Almost surely, 2^623120156 is an apocalyptic number.

It is an amenable number.

623120156 is a deficient number, since it is larger than the sum of its proper divisors (467340124).

623120156 is a wasteful number, since it uses less digits than its factorization.

623120156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155780043 (or 155780041 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 623120156 is about 24962.3748068969. The cubic root of 623120156 is about 854.1299156818.

The spelling of 623120156 in words is "six hundred twenty-three million, one hundred twenty thousand, one hundred fifty-six".