113213567 has 4 divisors (see below), whose sum is σ = 118135920. Its totient is φ = 108291216.

The previous prime is 113213563. The next prime is 113213629. The reversal of 113213567 is 765312311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 765312311 = 25247 ⋅30313.

It is a cyclic number.

It is not a de Polignac number, because 113213567 - 2² = 113213563 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113213561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2461142 + ... + 2461187.

It is an arithmetic number, because the mean of its divisors is an integer number (29533980).

Almost surely, 2^113213567 is an apocalyptic number.

113213567 is a deficient number, since it is larger than the sum of its proper divisors (4922353).

113213567 is an equidigital number, since it uses as much as digits as its factorization.

113213567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4922352.

The product of its digits is 3780, while the sum is 29.

The square root of 113213567 is about 10640.1864175399. The cubic root of 113213567 is about 483.7631958066.

Adding to 113213567 its reverse (765312311), we get a palindrome (878525878).

The spelling of 113213567 in words is "one hundred thirteen million, two hundred thirteen thousand, five hundred sixty-seven".