123462979 has 2 divisors, whose sum is σ = 123462980. Its totient is φ = 123462978.

The previous prime is 123462971. The next prime is 123463001. The reversal of 123462979 is 979264321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123462979 - 2³ = 123462971 is a prime.

It is not a weakly prime, because it can be changed into another prime (123462971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61731489 + 61731490.

It is an arithmetic number, because the mean of its divisors is an integer number (61731490).

Almost surely, 2^123462979 is an apocalyptic number.

123462979 is a deficient number, since it is larger than the sum of its proper divisors (1).

123462979 is an equidigital number, since it uses as much as digits as its factorization.

123462979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163296, while the sum is 43.

The square root of 123462979 is about 11111.3896070654. The cubic root of 123462979 is about 497.9421810478.

The spelling of 123462979 in words is "one hundred twenty-three million, four hundred sixty-two thousand, nine hundred seventy-nine".