23423112442 has 32 divisors (see below), whose sum is σ = 36418499712. Its totient is φ = 11293737984.

The previous prime is 23423112437. The next prime is 23423112469. The reversal of 23423112442 is 24421132432.

It is a self number, because there is not a number n which added to its sum of digits gives 23423112442.

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, 1165483 + ... + 1185409.

It is an arithmetic number, because the mean of its divisors is an integer number (1138078116).

Almost surely, 2^23423112442 is an apocalyptic number.

23423112442 is a deficient number, since it is larger than the sum of its proper divisors (12995387270).

23423112442 is a wasteful number, since it uses less digits than its factorization.

23423112442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20182.

The product of its digits is 9216, while the sum is 28.

Adding to 23423112442 its reverse (24421132432), we get a palindrome (47844244874).

The spelling of 23423112442 in words is "twenty-three billion, four hundred twenty-three million, one hundred twelve thousand, four hundred forty-two".