113623553 has 8 divisors (see below), whose sum is σ = 120479520. Its totient is φ = 106855200.

The previous prime is 113623513. The next prime is 113623577. The reversal of 113623553 is 355326311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113623553 - 2¹⁶ = 113558017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113623513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19223 + ... + 24428.

It is an arithmetic number, because the mean of its divisors is an integer number (15059940).

Almost surely, 2^113623553 is an apocalyptic number.

It is an amenable number.

113623553 is a deficient number, since it is larger than the sum of its proper divisors (6855967).

113623553 is a wasteful number, since it uses less digits than its factorization.

113623553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43807.

The product of its digits is 8100, while the sum is 29.

The square root of 113623553 is about 10659.4349287380. The cubic root of 113623553 is about 484.3464510014.

Adding to 113623553 its reverse (355326311), we get a palindrome (468949864).

The spelling of 113623553 in words is "one hundred thirteen million, six hundred twenty-three thousand, five hundred fifty-three".