123152636 has 6 divisors (see below), whose sum is σ = 215517120. Its totient is φ = 61576316.

The previous prime is 123152629. The next prime is 123152657. The reversal of 123152636 is 636251321.

It is a junction number, because it is equal to n+sod(n) for n = 123152599 and 123152608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15394076 + ... + 15394083.

It is an arithmetic number, because the mean of its divisors is an integer number (35919520).

Almost surely, 2^123152636 is an apocalyptic number.

It is an amenable number.

123152636 is a deficient number, since it is larger than the sum of its proper divisors (92364484).

123152636 is a wasteful number, since it uses less digits than its factorization.

123152636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30788163 (or 30788161 counting only the distinct ones).

The product of its digits is 6480, while the sum is 29.

The square root of 123152636 is about 11097.4157352061. The cubic root of 123152636 is about 497.5246131439.

The spelling of 123152636 in words is "one hundred twenty-three million, one hundred fifty-two thousand, six hundred thirty-six".