23573436 has 24 divisors (see below), whose sum is σ = 57396864. Its totient is φ = 7516080.

The previous prime is 23573419. The next prime is 23573437. The reversal of 23573436 is 63437532.

It is a junction number, because it is equal to n+sod(n) for n = 23573397 and 23573406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23573437) 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, 42430 + ... + 42981.

It is an arithmetic number, because the mean of its divisors is an integer number (2391536).

Almost surely, 2^23573436 is an apocalyptic number.

It is an amenable number.

23573436 is an abundant number, since it is smaller than the sum of its proper divisors (33823428).

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

23573436 is a wasteful number, since it uses less digits than its factorization.

23573436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85441 (or 85439 counting only the distinct ones).

The product of its digits is 45360, while the sum is 33.

The square root of 23573436 is about 4855.2482943718. The cubic root of 23573436 is about 286.7307668688.

The spelling of 23573436 in words is "twenty-three million, five hundred seventy-three thousand, four hundred thirty-six".