23713573 has 6 divisors (see below), whose sum is σ = 25678194. Its totient is φ = 21889296.

The previous prime is 23713553. The next prime is 23713579. The reversal of 23713573 is 37531732.

It can be written as a sum of positive squares in 3 ways, for example, as 2617924 + 21095649 = 1618^2 + 4593^2 .

It is not a de Polignac number, because 23713573 - 2⁵ = 23713541 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 (23713579) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 69990 + ... + 70327.

It is an arithmetic number, because the mean of its divisors is an integer number (4279699).

Almost surely, 2^23713573 is an apocalyptic number.

It is an amenable number.

23713573 is a deficient number, since it is larger than the sum of its proper divisors (1964621).

23713573 is a wasteful number, since it uses less digits than its factorization.

23713573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140343 (or 140330 counting only the distinct ones).

The product of its digits is 13230, while the sum is 31.

The square root of 23713573 is about 4869.6584069111. The cubic root of 23713573 is about 287.2978208034.

The spelling of 23713573 in words is "twenty-three million, seven hundred thirteen thousand, five hundred seventy-three".