23422121 has 4 divisors (see below), whose sum is σ = 23920512. Its totient is φ = 22923732.

The previous prime is 23422093. The next prime is 23422129. The reversal of 23422121 is 12122432.

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 23422121 - 2¹⁴ = 23405737 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 23422121.

It is not an unprimeable number, because it can be changed into a prime (23422129) 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, 249125 + ... + 249218.

It is an arithmetic number, because the mean of its divisors is an integer number (5980128).

Almost surely, 2^23422121 is an apocalyptic number.

It is an amenable number.

23422121 is a deficient number, since it is larger than the sum of its proper divisors (498391).

23422121 is an equidigital number, since it uses as much as digits as its factorization.

23422121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498390.

The product of its digits is 192, while the sum is 17.

The square root of 23422121 is about 4839.6405858287. The cubic root of 23422121 is about 286.1159529503.

Adding to 23422121 its reverse (12122432), we get a palindrome (35544553).

The spelling of 23422121 in words is "twenty-three million, four hundred twenty-two thousand, one hundred twenty-one".