23023512 has 48 divisors (see below), whose sum is σ = 62857080. Its totient is φ = 7612800.

The previous prime is 23023501. The next prime is 23023513. The reversal of 23023512 is 21532032.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23023513) 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, 8212 + ... + 10652.

Almost surely, 2^23023512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23023512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31428540).

23023512 is an abundant number, since it is smaller than the sum of its proper divisors (39833568).

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

23023512 is a wasteful number, since it uses less digits than its factorization.

23023512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2584 (or 2577 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 23023512 is about 4798.2821926185. The cubic root of 23023512 is about 284.4835707806.

Adding to 23023512 its reverse (21532032), we get a palindrome (44555544).

The spelling of 23023512 in words is "twenty-three million, twenty-three thousand, five hundred twelve".