113123041400 has 24 divisors (see below), whose sum is σ = 263011071720. Its totient is φ = 45249216480.

The previous prime is 113123041397. The next prime is 113123041403. The reversal of 113123041400 is 4140321311.

It is an interprime number because it is at equal distance from previous prime (113123041397) and next prime (113123041403).

It is a super-2 number, since 2×113123041400² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113123041403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 282807404 + ... + 282807803.

It is an arithmetic number, because the mean of its divisors is an integer number (10958794655).

Almost surely, 2^113123041400 is an apocalyptic number.

113123041400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113123041400 is an abundant number, since it is smaller than the sum of its proper divisors (149888030320).

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

113123041400 is a wasteful number, since it uses less digits than its factorization.

113123041400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565615223 (or 565615214 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 113123041400 its reverse (4140321311), we get a palindrome (117263362711).

The spelling of 113123041400 in words is "one hundred thirteen billion, one hundred twenty-three million, forty-one thousand, four hundred".