79420423 has 8 divisors (see below), whose sum is σ = 80697296. Its totient is φ = 78148800.

The previous prime is 79420421. The next prime is 79420457. The reversal of 79420423 is 32402497.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 79420423 - 2¹ = 79420421 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 (79420421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38488 + ... + 40498.

It is an arithmetic number, because the mean of its divisors is an integer number (10087162).

Almost surely, 2^79420423 is an apocalyptic number.

79420423 is a gapful number since it is divisible by the number (73) formed by its first and last digit.

79420423 is a deficient number, since it is larger than the sum of its proper divisors (1276873).

79420423 is a wasteful number, since it uses less digits than its factorization.

79420423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2625.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 79420423 is about 8911.8136762390. The cubic root of 79420423 is about 429.8438643514.

The spelling of 79420423 in words is "seventy-nine million, four hundred twenty thousand, four hundred twenty-three".