113723266520 has 64 divisors (see below), whose sum is σ = 269392456800. Its totient is φ = 43087472640.

The previous prime is 113723266439. The next prime is 113723266523. The reversal of 113723266520 is 25662327311.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113723266523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6132302 + ... + 6150818.

Almost surely, 2^113723266520 is an apocalyptic number.

113723266520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113723266520 is an abundant number, since it is smaller than the sum of its proper divisors (155669190280).

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

113723266520 is a wasteful number, since it uses less digits than its factorization.

113723266520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26628 (or 26624 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 38.

The spelling of 113723266520 in words is "one hundred thirteen billion, seven hundred twenty-three million, two hundred sixty-six thousand, five hundred twenty".