23020423212 has 24 divisors (see below), whose sum is σ = 53950954176. Its totient is φ = 7639669648.

The previous prime is 23020423211. The next prime is 23020423219. The reversal of 23020423212 is 21232402032.

It is not an unprimeable number, because it can be changed into a prime (23020423211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4222758 + ... + 4228205.

It is an arithmetic number, because the mean of its divisors is an integer number (2247956424).

Almost surely, 2^23020423212 is an apocalyptic number.

It is an amenable number.

23020423212 is an abundant number, since it is smaller than the sum of its proper divisors (30930530964).

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

23020423212 is a wasteful number, since it uses less digits than its factorization.

23020423212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8451197 (or 8451195 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 23020423212 its reverse (21232402032), we get a palindrome (44252825244).

The spelling of 23020423212 in words is "twenty-three billion, twenty million, four hundred twenty-three thousand, two hundred twelve".