23542410421 has 4 divisors (see below), whose sum is σ = 23548644000. Its totient is φ = 23536176844.

The previous prime is 23542410379. The next prime is 23542410433. The reversal of 23542410421 is 12401424532.

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 23542410421 - 2⁹ = 23542409909 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23542410421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23542414421) 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, 3111121 + ... + 3118678.

It is an arithmetic number, because the mean of its divisors is an integer number (5887161000).

Almost surely, 2^23542410421 is an apocalyptic number.

It is an amenable number.

23542410421 is a deficient number, since it is larger than the sum of its proper divisors (6233579).

23542410421 is an equidigital number, since it uses as much as digits as its factorization.

23542410421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6233578.

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 23542410421 its reverse (12401424532), we get a palindrome (35943834953).

The spelling of 23542410421 in words is "twenty-three billion, five hundred forty-two million, four hundred ten thousand, four hundred twenty-one".