23489812 has 24 divisors (see below), whose sum is σ = 42184800. Its totient is φ = 11440416.

The previous prime is 23489803. The next prime is 23489813. The reversal of 23489812 is 21898432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23489813) 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, 37639 + ... + 38257.

It is an arithmetic number, because the mean of its divisors is an integer number (1757700).

Almost surely, 2^23489812 is an apocalyptic number.

It is an amenable number.

23489812 is a deficient number, since it is larger than the sum of its proper divisors (18694988).

23489812 is a wasteful number, since it uses less digits than its factorization.

23489812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855 (or 853 counting only the distinct ones).

The product of its digits is 27648, while the sum is 37.

The square root of 23489812 is about 4846.6289315358. The cubic root of 23489812 is about 286.3913172414.

The spelling of 23489812 in words is "twenty-three million, four hundred eighty-nine thousand, eight hundred twelve".