23212021424 has 40 divisors (see below), whose sum is σ = 46653472320. Its totient is φ = 11179584000.

The previous prime is 23212021411. The next prime is 23212021433. The reversal of 23212021424 is 42412021232.

It is a self number, because there is not a number n which added to its sum of digits gives 23212021424.

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, 172127 + ... + 275774.

It is an arithmetic number, because the mean of its divisors is an integer number (1166336808).

Almost surely, 2^23212021424 is an apocalyptic number.

It is an amenable number.

23212021424 is an abundant number, since it is smaller than the sum of its proper divisors (23441450896).

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

23212021424 is a wasteful number, since it uses less digits than its factorization.

23212021424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448029 (or 448023 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 23212021424 its reverse (42412021232), we get a palindrome (65624042656).

The spelling of 23212021424 in words is "twenty-three billion, two hundred twelve million, twenty-one thousand, four hundred twenty-four".