123040396 has 12 divisors (see below), whose sum is σ = 215439952. Its totient is φ = 61486128.

The previous prime is 123040343. The next prime is 123040403. The reversal of 123040396 is 693040321.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 721 + ... + 15703.

Almost surely, 2^123040396 is an apocalyptic number.

It is an amenable number.

123040396 is a deficient number, since it is larger than the sum of its proper divisors (92399556).

123040396 is a wasteful number, since it uses less digits than its factorization.

123040396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17040 (or 17038 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 123040396 is about 11092.3575492318. The cubic root of 123040396 is about 497.3734209928.

The spelling of 123040396 in words is "one hundred twenty-three million, forty thousand, three hundred ninety-six".