23339745 has 120 divisors (see below), whose sum is σ = 51017472. Its totient is φ = 10108800.

The previous prime is 23339741. The next prime is 23339747. The reversal of 23339745 is 54793332.

It is not a de Polignac number, because 23339745 - 2² = 23339741 is a prime.

Its product of digits (68040) is a multiple of the sum of its prime divisors (63).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23339741) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 752880 + ... + 752910.

Almost surely, 2^23339745 is an apocalyptic number.

It is an amenable number.

23339745 is an abundant number, since it is smaller than the sum of its proper divisors (27677727).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23339745 is a wasteful number, since it uses less digits than its factorization.

23339745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85 (or 63 counting only the distinct ones).

The product of its digits is 68040, while the sum is 36.

The square root of 23339745 is about 4831.1225403626. The cubic root of 23339745 is about 285.7801340490.

The spelling of 23339745 in words is "twenty-three million, three hundred thirty-nine thousand, seven hundred forty-five".