23423320421000 has 32 divisors (see below), whose sum is σ = 54810569787480. Its totient is φ = 9369328168000.

The previous prime is 23423320420987. The next prime is 23423320421027. The reversal of 23423320421000 is 12402332432.

It can be written as a sum of positive squares in 4 ways, for example, as 6149338605796 + 17273981815204 = 2479786^2 + 4156198^2 .

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, 11711659211 + ... + 11711661210.

Almost surely, 2^{23423320421000} is an apocalyptic number.

23423320421000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23423320421000 is an abundant number, since it is smaller than the sum of its proper divisors (31387249366480).

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

23423320421000 is a wasteful number, since it uses less digits than its factorization.

23423320421000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23423320442 (or 23423320428 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 23423320421000 its reverse (12402332432), we get a palindrome (23435722753432).

The spelling of 23423320421000 in words is "twenty-three trillion, four hundred twenty-three billion, three hundred twenty million, four hundred twenty-one thousand".