23031012 has 24 divisors (see below), whose sum is σ = 55050912. Its totient is φ = 7489600.

The previous prime is 23030999. The next prime is 23031061. The reversal of 23031012 is 21013032.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22914 + ... + 23897.

It is an arithmetic number, because the mean of its divisors is an integer number (2293788).

Almost surely, 2^23031012 is an apocalyptic number.

It is an amenable number.

23031012 is an abundant number, since it is smaller than the sum of its proper divisors (32019900).

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

23031012 is a wasteful number, since it uses less digits than its factorization.

23031012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46859 (or 46857 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 23031012 is about 4799.0636586734. The cubic root of 23031012 is about 284.5144579760.

Adding to 23031012 its reverse (21013032), we get a palindrome (44044044).

The spelling of 23031012 in words is "twenty-three million, thirty-one thousand, twelve".