123906364 has 6 divisors (see below), whose sum is σ = 216836144. Its totient is φ = 61953180.

The previous prime is 123906329. The next prime is 123906403. The reversal of 123906364 is 463609321.

It is a happy number.

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, 15488292 + ... + 15488299.

Almost surely, 2^123906364 is an apocalyptic number.

It is an amenable number.

123906364 is a deficient number, since it is larger than the sum of its proper divisors (92929780).

123906364 is a wasteful number, since it uses less digits than its factorization.

123906364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30976595 (or 30976593 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 123906364 is about 11131.3235511326. The cubic root of 123906364 is about 498.5375452896.

The spelling of 123906364 in words is "one hundred twenty-three million, nine hundred six thousand, three hundred sixty-four".