23122443 has 4 divisors (see below), whose sum is σ = 30829928. Its totient is φ = 15414960.

The previous prime is 23122427. The next prime is 23122493. The reversal of 23122443 is 34422132.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 23122443 - 2⁴ = 23122427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23122403) 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, 3853738 + ... + 3853743.

It is an arithmetic number, because the mean of its divisors is an integer number (7707482).

Almost surely, 2^23122443 is an apocalyptic number.

23122443 is a deficient number, since it is larger than the sum of its proper divisors (7707485).

23122443 is an equidigital number, since it uses as much as digits as its factorization.

23122443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7707484.

The product of its digits is 1152, while the sum is 21.

The square root of 23122443 is about 4808.5801438678. The cubic root of 23122443 is about 284.8904595961.

Adding to 23122443 its reverse (34422132), we get a palindrome (57544575).

The spelling of 23122443 in words is "twenty-three million, one hundred twenty-two thousand, four hundred forty-three".