23421534208 has 60 divisors (see below), whose sum is σ = 47299819840. Its totient is φ = 11596234752.

The previous prime is 23421534203. The next prime is 23421534211. The reversal of 23421534208 is 80243512432.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (23421534203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1680613 + ... + 1694491.

Almost surely, 2^23421534208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23421534208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23649909920).

23421534208 is an abundant number, since it is smaller than the sum of its proper divisors (23878285632).

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

23421534208 is an equidigital number, since it uses as much as digits as its factorization.

23421534208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14010 (or 13984 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 34.

The spelling of 23421534208 in words is "twenty-three billion, four hundred twenty-one million, five hundred thirty-four thousand, two hundred eight".