113123202213 has 32 divisors (see below), whose sum is σ = 176770298880. Its totient is φ = 62998151040.

The previous prime is 113123202209. The next prime is 113123202217. The reversal of 113123202213 is 312202321311.

It is an interprime number because it is at equal distance from previous prime (113123202209) and next prime (113123202217).

It is not a de Polignac number, because 113123202213 - 2² = 113123202209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 113123202213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113123202217) 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, 745998 + ... + 884736.

It is an arithmetic number, because the mean of its divisors is an integer number (5524071840).

Almost surely, 2^113123202213 is an apocalyptic number.

It is an amenable number.

113123202213 is a deficient number, since it is larger than the sum of its proper divisors (63647096667).

113123202213 is a wasteful number, since it uses less digits than its factorization.

113123202213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139737.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 113123202213 its reverse (312202321311), we get a palindrome (425325523524).

The spelling of 113123202213 in words is "one hundred thirteen billion, one hundred twenty-three million, two hundred two thousand, two hundred thirteen".