23077813 has 4 divisors (see below), whose sum is σ = 25175808. Its totient is φ = 20979820.

The previous prime is 23077777. The next prime is 23077841. The reversal of 23077813 is 31877032.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23077813 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 (23077853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1048981 + ... + 1049002.

It is an arithmetic number, because the mean of its divisors is an integer number (6293952).

Almost surely, 2^23077813 is an apocalyptic number.

It is an amenable number.

23077813 is a deficient number, since it is larger than the sum of its proper divisors (2097995).

23077813 is a wasteful number, since it uses less digits than its factorization.

23077813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2097994.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 23077813 is about 4803.9372393902. The cubic root of 23077813 is about 284.7070468769.

The spelling of 23077813 in words is "twenty-three million, seventy-seven thousand, eight hundred thirteen".