23683145 has 16 divisors (see below), whose sum is σ = 29352720. Its totient is φ = 18330624.

The previous prime is 23683109. The next prime is 23683147. The reversal of 23683145 is 54138632.

It can be written as a sum of positive squares in 8 ways, for example, as 53824 + 23629321 = 232^2 + 4861^2 .

It is a cyclic number.

It is not a de Polignac number, because 23683145 - 2¹⁶ = 23617609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23683147) 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, 57701 + ... + 58109.

It is an arithmetic number, because the mean of its divisors is an integer number (1834545).

Almost surely, 2^23683145 is an apocalyptic number.

It is an amenable number.

23683145 is a deficient number, since it is larger than the sum of its proper divisors (5669575).

23683145 is a wasteful number, since it uses less digits than its factorization.

23683145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764.

The product of its digits is 17280, while the sum is 32.

The square root of 23683145 is about 4866.5331602692. The cubic root of 23683145 is about 287.1748864287.

The spelling of 23683145 in words is "twenty-three million, six hundred eighty-three thousand, one hundred forty-five".