23023647 has 12 divisors (see below), whose sum is σ = 33373704. Its totient is φ = 15294960.

The previous prime is 23023639. The next prime is 23023691. The reversal of 23023647 is 74632032.

It is not a de Polignac number, because 23023647 - 2³ = 23023639 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23023647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23023547) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1729 + ... + 7002.

It is an arithmetic number, because the mean of its divisors is an integer number (2781142).

Almost surely, 2^23023647 is an apocalyptic number.

23023647 is a deficient number, since it is larger than the sum of its proper divisors (10350057).

23023647 is a wasteful number, since it uses less digits than its factorization.

23023647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9030 (or 9027 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 27.

The square root of 23023647 is about 4798.2962601323. The cubic root of 23023647 is about 284.4841268094.

Adding to 23023647 its reverse (74632032), we get a palindrome (97655679).

The spelling of 23023647 in words is "twenty-three million, twenty-three thousand, six hundred forty-seven".