23313034421 has 4 divisors (see below), whose sum is σ = 23316474144. Its totient is φ = 23309594700.

The previous prime is 23313034399. The next prime is 23313034427. The reversal of 23313034421 is 12443031332.

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 23313034421 - 2⁶ = 23313034357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23313034427) 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, 1709675 + ... + 1723256.

It is an arithmetic number, because the mean of its divisors is an integer number (5829118536).

Almost surely, 2^23313034421 is an apocalyptic number.

It is an amenable number.

23313034421 is a deficient number, since it is larger than the sum of its proper divisors (3439723).

23313034421 is an equidigital number, since it uses as much as digits as its factorization.

23313034421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3439722.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 23313034421 its reverse (12443031332), we get a palindrome (35756065753).

The spelling of 23313034421 in words is "twenty-three billion, three hundred thirteen million, thirty-four thousand, four hundred twenty-one".