123352978 has 24 divisors (see below), whose sum is σ = 223186752. Its totient is φ = 50081112.

The previous prime is 123352973. The next prime is 123352981. The reversal of 123352978 is 879253321.

It is a self number, because there is not a number n which added to its sum of digits gives 123352978.

It is not an unprimeable number, because it can be changed into a prime (123352973) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7150 + ... + 17257.

It is an arithmetic number, because the mean of its divisors is an integer number (9299448).

Almost surely, 2^123352978 is an apocalyptic number.

123352978 is a deficient number, since it is larger than the sum of its proper divisors (99833774).

123352978 is a wasteful number, since it uses less digits than its factorization.

123352978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24454 (or 24435 counting only the distinct ones).

The product of its digits is 90720, while the sum is 40.

The square root of 123352978 is about 11106.4385830922. The cubic root of 123352978 is about 497.7942543478.

The spelling of 123352978 in words is "one hundred twenty-three million, three hundred fifty-two thousand, nine hundred seventy-eight".