113273523021 has 32 divisors (see below), whose sum is σ = 160448428800. Its totient is φ = 70837185536.

The previous prime is 113273523019. The next prime is 113273523079. The reversal of 113273523021 is 120325372311.

It is a cyclic number.

It is not a de Polignac number, because 113273523021 - 2¹ = 113273523019 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 113273523021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113273523721) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20678935 + ... + 20684411.

It is an arithmetic number, because the mean of its divisors is an integer number (5014013400).

Almost surely, 2^113273523021 is an apocalyptic number.

It is an amenable number.

113273523021 is a deficient number, since it is larger than the sum of its proper divisors (47174905779).

113273523021 is a wasteful number, since it uses less digits than its factorization.

113273523021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6773.

The product of its (nonzero) digits is 7560, while the sum is 30.

Adding to 113273523021 its reverse (120325372311), we get a palindrome (233598895332).

The spelling of 113273523021 in words is "one hundred thirteen billion, two hundred seventy-three million, five hundred twenty-three thousand, twenty-one".