23413102421 has 4 divisors (see below), whose sum is σ = 23465954112. Its totient is φ = 23360250732.

The previous prime is 23413102381. The next prime is 23413102459. The reversal of 23413102421 is 12420131432.

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 a de Polignac number, because none of the positive numbers 2^k-23413102421 is a prime.

It is a super-2 number, since 2×23413102421² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23413302421) 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, 26425181 + ... + 26426066.

It is an arithmetic number, because the mean of its divisors is an integer number (5866488528).

Almost surely, 2^23413102421 is an apocalyptic number.

It is an amenable number.

23413102421 is a deficient number, since it is larger than the sum of its proper divisors (52851691).

23413102421 is an equidigital number, since it uses as much as digits as its factorization.

23413102421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52851690.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 23413102421 its reverse (12420131432), we get a palindrome (35833233853).

The spelling of 23413102421 in words is "twenty-three billion, four hundred thirteen million, one hundred two thousand, four hundred twenty-one".