111423212402 has 32 divisors (see below), whose sum is σ = 173456277120. Its totient is φ = 53617173120.

The previous prime is 111423212393. The next prime is 111423212429. The reversal of 111423212402 is 204212324111.

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, 25928318 + ... + 25932614.

It is an arithmetic number, because the mean of its divisors is an integer number (5420508660).

Almost surely, 2^111423212402 is an apocalyptic number.

111423212402 is a deficient number, since it is larger than the sum of its proper divisors (62033064718).

111423212402 is a wasteful number, since it uses less digits than its factorization.

111423212402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5666.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 111423212402 its reverse (204212324111), we get a palindrome (315635536513).

The spelling of 111423212402 in words is "one hundred eleven billion, four hundred twenty-three million, two hundred twelve thousand, four hundred two".