23422434 has 32 divisors (see below), whose sum is σ = 54190080. Its totient is φ = 6610512.

The previous prime is 23422423. The next prime is 23422471. The reversal of 23422434 is 43422432.

It is a super-2 number, since 2×23422434² = 1097220828968712, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127 + ... + 6845.

It is an arithmetic number, because the mean of its divisors is an integer number (1693440).

Almost surely, 2^23422434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23422434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27095040).

23422434 is an abundant number, since it is smaller than the sum of its proper divisors (30767646).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23422434 is a wasteful number, since it uses less digits than its factorization.

23422434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6814.

The product of its digits is 4608, while the sum is 24.

The square root of 23422434 is about 4839.6729228327. The cubic root of 23422434 is about 286.1172274419.

Adding to 23422434 its reverse (43422432), we get a palindrome (66844866).

The spelling of 23422434 in words is "twenty-three million, four hundred twenty-two thousand, four hundred thirty-four".