113123542440 has 64 divisors (see below), whose sum is σ = 339518309760. Its totient is φ = 30153150720.

The previous prime is 113123542423. The next prime is 113123542487. The reversal of 113123542440 is 44245321311.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 113123542398 and 113123542407.

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, 73362 + ... + 481278.

It is an arithmetic number, because the mean of its divisors is an integer number (5304973590).

Almost surely, 2^113123542440 is an apocalyptic number.

113123542440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113123542440 is an abundant number, since it is smaller than the sum of its proper divisors (226394767320).

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

113123542440 is a wasteful number, since it uses less digits than its factorization.

113123542440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410242 (or 410238 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 113123542440 its reverse (44245321311), we get a palindrome (157368863751).

The spelling of 113123542440 in words is "one hundred thirteen billion, one hundred twenty-three million, five hundred forty-two thousand, four hundred forty".