111323342440 has 32 divisors (see below), whose sum is σ = 250532421480. Its totient is φ = 44519576832.

The previous prime is 111323342423. The next prime is 111323342441. The reversal of 111323342440 is 44243323111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 26317275076 + 85006067364 = 162226^2 + 291558^2 .

It is a junction number, because it is equal to n+sod(n) for n = 111323342399 and 111323342408.

It is not an unprimeable number, because it can be changed into a prime (111323342441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118827 + ... + 486586.

Almost surely, 2^111323342440 is an apocalyptic number.

111323342440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111323342440 is an abundant number, since it is smaller than the sum of its proper divisors (139209079040).

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

111323342440 is a wasteful number, since it uses less digits than its factorization.

111323342440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610021 (or 610017 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 111323342440 its reverse (44243323111), we get a palindrome (155566665551).

The spelling of 111323342440 in words is "one hundred eleven billion, three hundred twenty-three million, three hundred forty-two thousand, four hundred forty".