115223553 has 28 divisors (see below), whose sum is σ = 173918160. Its totient is φ = 76300056.

The previous prime is 115223551. The next prime is 115223561. The reversal of 115223553 is 355322511.

It is a happy number.

It is not a de Polignac number, because 115223553 - 2¹ = 115223551 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (115223551) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 130050 + ... + 130932.

Almost surely, 2^115223553 is an apocalyptic number.

It is an amenable number.

115223553 is a deficient number, since it is larger than the sum of its proper divisors (58694607).

115223553 is an frugal number, since it uses more digits than its factorization.

115223553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080 (or 1065 counting only the distinct ones).

The product of its digits is 4500, while the sum is 27.

The square root of 115223553 is about 10734.2234465284. The cubic root of 115223553 is about 486.6093180583.

The spelling of 115223553 in words is "one hundred fifteen million, two hundred twenty-three thousand, five hundred fifty-three".