979012423 has 4 divisors (see below), whose sum is σ = 979245288. Its totient is φ = 978779560.

The previous prime is 979012409. The next prime is 979012453. The reversal of 979012423 is 324210979.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-979012423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (979012453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110008 + ... + 118573.

It is an arithmetic number, because the mean of its divisors is an integer number (244811322).

Almost surely, 2^979012423 is an apocalyptic number.

979012423 is a deficient number, since it is larger than the sum of its proper divisors (232865).

979012423 is a wasteful number, since it uses less digits than its factorization.

979012423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232864.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 979012423 is about 31289.1742140952. The cubic root of 979012423 is about 992.9546201948.

The spelling of 979012423 in words is "nine hundred seventy-nine million, twelve thousand, four hundred twenty-three".