23003021212 has 48 divisors (see below), whose sum is σ = 42890904000. Its totient is φ = 10773955584.

The previous prime is 23003021203. The next prime is 23003021227. The reversal of 23003021212 is 21212030032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1533364 + ... + 1548292.

It is an arithmetic number, because the mean of its divisors is an integer number (893560500).

Almost surely, 2^23003021212 is an apocalyptic number.

It is an amenable number.

23003021212 is a deficient number, since it is larger than the sum of its proper divisors (19887882788).

23003021212 is a wasteful number, since it uses less digits than its factorization.

23003021212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15358 (or 15356 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 23003021212 its reverse (21212030032), we get a palindrome (44215051244).

The spelling of 23003021212 in words is "twenty-three billion, three million, twenty-one thousand, two hundred twelve".