22623531200421 has 4 divisors (see below), whose sum is σ = 30164708267232. Its totient is φ = 15082354133612.

The previous prime is 22623531200419. The next prime is 22623531200441. The reversal of 22623531200421 is 12400213532622.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22623531200421 - 2¹ = 22623531200419 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22623531200401) 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, 3770588533401 + ... + 3770588533406.

It is an arithmetic number, because the mean of its divisors is an integer number (7541177066808).

Almost surely, 2^{22623531200421} is an apocalyptic number.

It is an amenable number.

22623531200421 is a deficient number, since it is larger than the sum of its proper divisors (7541177066811).

22623531200421 is an equidigital number, since it uses as much as digits as its factorization.

22623531200421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7541177066810.

The product of its (nonzero) digits is 34560, while the sum is 33.

The spelling of 22623531200421 in words is "twenty-two trillion, six hundred twenty-three billion, five hundred thirty-one million, two hundred thousand, four hundred twenty-one".