23723745 has 16 divisors (see below), whose sum is σ = 38841792. Its totient is φ = 12358080.

The previous prime is 23723743. The next prime is 23723747. The reversal of 23723745 is 54732732.

It is an interprime number because it is at equal distance from previous prime (23723743) and next prime (23723747).

It is not a de Polignac number, because 23723745 - 2¹ = 23723743 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23723743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17746 + ... + 19035.

It is an arithmetic number, because the mean of its divisors is an integer number (2427612).

Almost surely, 2^23723745 is an apocalyptic number.

It is an amenable number.

23723745 is a deficient number, since it is larger than the sum of its proper divisors (15118047).

23723745 is a wasteful number, since it uses less digits than its factorization.

23723745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36832.

The product of its digits is 35280, while the sum is 33.

The square root of 23723745 is about 4870.7027213740. The cubic root of 23723745 is about 287.3388939851.

The spelling of 23723745 in words is "twenty-three million, seven hundred twenty-three thousand, seven hundred forty-five".