23451222000 has 80 divisors (see below), whose sum is σ = 75606759072. Its totient is φ = 6253657600.

The previous prime is 23451221951. The next prime is 23451222019. The reversal of 23451222000 is 22215432.

It is a tau number, because it is divible by the number of its divisors (80).

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, 1948269 + ... + 1960268.

Almost surely, 2^23451222000 is an apocalyptic number.

23451222000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23451222000 is an abundant number, since it is smaller than the sum of its proper divisors (52155537072).

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

23451222000 is a wasteful number, since it uses less digits than its factorization.

23451222000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3908563 (or 3908547 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

Adding to 23451222000 its reverse (22215432), we get a palindrome (23473437432).

The spelling of 23451222000 in words is "twenty-three billion, four hundred fifty-one million, two hundred twenty-two thousand".