23077879 has 4 divisors (see below), whose sum is σ = 25175880. Its totient is φ = 20979880.

The previous prime is 23077861. The next prime is 23077903. The reversal of 23077879 is 97877032.

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

It is a cyclic number.

It is not a de Polignac number, because 23077879 - 2²¹ = 20980727 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 (23077849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1048984 + ... + 1049005.

It is an arithmetic number, because the mean of its divisors is an integer number (6293970).

Almost surely, 2^23077879 is an apocalyptic number.

23077879 is a deficient number, since it is larger than the sum of its proper divisors (2098001).

23077879 is a wasteful number, since it uses less digits than its factorization.

23077879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2098000.

The product of its (nonzero) digits is 148176, while the sum is 43.

The square root of 23077879 is about 4803.9441087506. The cubic root of 23077879 is about 284.7073182869.

The spelling of 23077879 in words is "twenty-three million, seventy-seven thousand, eight hundred seventy-nine".