23213773 has 4 divisors (see below), whose sum is σ = 25324128. Its totient is φ = 21103420.

The previous prime is 23213767. The next prime is 23213779. The reversal of 23213773 is 37731232.

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 an interprime number because it is at equal distance from previous prime (23213767) and next prime (23213779).

It is a cyclic number.

It is not a de Polignac number, because 23213773 - 2⁵ = 23213741 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 (23213779) 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, 1055161 + ... + 1055182.

It is an arithmetic number, because the mean of its divisors is an integer number (6331032).

Almost surely, 2^23213773 is an apocalyptic number.

It is an amenable number.

23213773 is a deficient number, since it is larger than the sum of its proper divisors (2110355).

23213773 is a wasteful number, since it uses less digits than its factorization.

23213773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2110354.

The product of its digits is 5292, while the sum is 28.

The square root of 23213773 is about 4818.0673511274. The cubic root of 23213773 is about 285.2650576091.

The spelling of 23213773 in words is "twenty-three million, two hundred thirteen thousand, seven hundred seventy-three".