23785623 has 8 divisors (see below), whose sum is σ = 35238000. Its totient is φ = 15857064.

The previous prime is 23785621. The next prime is 23785627. The reversal of 23785623 is 32658732.

23785623 is a `hidden beast` number, since 23 + 7 + 8 + 5 + 623 = 666.

It is not a de Polignac number, because 23785623 - 2¹ = 23785621 is a prime.

It is a super-2 number, since 2×23785623² = 1131511722996258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23785621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 440448 + ... + 440501.

It is an arithmetic number, because the mean of its divisors is an integer number (4404750).

Almost surely, 2^23785623 is an apocalyptic number.

23785623 is a deficient number, since it is larger than the sum of its proper divisors (11452377).

23785623 is an equidigital number, since it uses as much as digits as its factorization.

23785623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880958 (or 880952 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 23785623 is about 4877.0506456259. The cubic root of 23785623 is about 287.5884965123.

It can be divided in two parts, 2378 and 5623, that added together give a triangular number (8001 = T₁₂₆).

The spelling of 23785623 in words is "twenty-three million, seven hundred eighty-five thousand, six hundred twenty-three".