123352979 has 16 divisors (see below), whose sum is σ = 134049600. Its totient is φ = 113156736.

The previous prime is 123352973. The next prime is 123352981. The reversal of 123352979 is 979253321.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123352979 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 114857 + ... + 115925.

It is an arithmetic number, because the mean of its divisors is an integer number (8378100).

Almost surely, 2^123352979 is an apocalyptic number.

123352979 is a deficient number, since it is larger than the sum of its proper divisors (10696621).

123352979 is a wasteful number, since it uses less digits than its factorization.

123352979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1294.

The product of its digits is 102060, while the sum is 41.

The square root of 123352979 is about 11106.4386281112. The cubic root of 123352979 is about 497.7942556929.

The spelling of 123352979 in words is "one hundred twenty-three million, three hundred fifty-two thousand, nine hundred seventy-nine".