113012423040 has 128 divisors (see below), whose sum is σ = 392975089920. Its totient is φ = 27396945920.

The previous prime is 113012423011. The next prime is 113012423059. The reversal of 113012423040 is 40324210311.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×113012423040² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 113012422998 and 113012423016.

It is a congruent number.

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, 2654364 + ... + 2696603.

It is an arithmetic number, because the mean of its divisors is an integer number (3070117890).

Almost surely, 2^113012423040 is an apocalyptic number.

113012423040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113012423040 is an abundant number, since it is smaller than the sum of its proper divisors (279962666880).

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

113012423040 is a wasteful number, since it uses less digits than its factorization.

113012423040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5351000 (or 5350988 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 113012423040 its reverse (40324210311), we get a palindrome (153336633351).

The spelling of 113012423040 in words is "one hundred thirteen billion, twelve million, four hundred twenty-three thousand, forty".