111423251324 has 48 divisors (see below), whose sum is σ = 253675086336. Its totient is φ = 41524190400.

The previous prime is 111423251311. The next prime is 111423251383. The reversal of 111423251324 is 423152324111.

It is a happy number.

It is a super-2 number, since 2×111423251324² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7857347 + ... + 7871514.

It is an arithmetic number, because the mean of its divisors is an integer number (5284897632).

Almost surely, 2^111423251324 is an apocalyptic number.

111423251324 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

111423251324 is an abundant number, since it is smaller than the sum of its proper divisors (142251835012).

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

111423251324 is a wasteful number, since it uses less digits than its factorization.

111423251324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15728906 (or 15728904 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

Adding to 111423251324 its reverse (423152324111), we get a palindrome (534575575435).

The spelling of 111423251324 in words is "one hundred eleven billion, four hundred twenty-three million, two hundred fifty-one thousand, three hundred twenty-four".