23223121422 has 32 divisors (see below), whose sum is σ = 49433226912. Its totient is φ = 7247929344.

The previous prime is 23223121403. The next prime is 23223121433. The reversal of 23223121422 is 22412132232.

It is a junction number, because it is equal to n+sod(n) for n = 23223121392 and 23223121401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 570153 + ... + 609524.

It is an arithmetic number, because the mean of its divisors is an integer number (1544788341).

Almost surely, 2^23223121422 is an apocalyptic number.

23223121422 is an abundant number, since it is smaller than the sum of its proper divisors (26210105490).

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

23223121422 is a wasteful number, since it uses less digits than its factorization.

23223121422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179892.

The product of its digits is 2304, while the sum is 24.

Adding to 23223121422 its reverse (22412132232), we get a palindrome (45635253654).

The spelling of 23223121422 in words is "twenty-three billion, two hundred twenty-three million, one hundred twenty-one thousand, four hundred twenty-two".