23421424995 has 72 divisors (see below), whose sum is σ = 42874481520. Its totient is φ = 12278692800.

The previous prime is 23421424993. The next prime is 23421425003. The reversal of 23421424995 is 59942412432.

It is not a de Polignac number, because 23421424995 - 2¹ = 23421424993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 23421424995.

It is not an unprimeable number, because it can be changed into a prime (23421424993) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1929445 + ... + 1941545.

It is an arithmetic number, because the mean of its divisors is an integer number (595478910).

Almost surely, 2^23421424995 is an apocalyptic number.

23421424995 is a deficient number, since it is larger than the sum of its proper divisors (19453056525).

23421424995 is an frugal number, since it uses more digits than its factorization.

23421424995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12189 (or 12168 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The spelling of 23421424995 in words is "twenty-three billion, four hundred twenty-one million, four hundred twenty-four thousand, nine hundred ninety-five".