115503823 has 4 divisors (see below), whose sum is σ = 115898328. Its totient is φ = 115109320.

The previous prime is 115503821. The next prime is 115503841. The reversal of 115503823 is 328305511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 328305511 = 179 ⋅1834109.

It is a cyclic number.

It is not a de Polignac number, because 115503823 - 2¹ = 115503821 is a prime.

It is a super-2 number, since 2×115503823² = 26682266255230658, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 115503791 and 115503800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115503821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196813 + ... + 197398.

It is an arithmetic number, because the mean of its divisors is an integer number (28974582).

Almost surely, 2^115503823 is an apocalyptic number.

115503823 is a deficient number, since it is larger than the sum of its proper divisors (394505).

115503823 is an equidigital number, since it uses as much as digits as its factorization.

115503823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394504.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 115503823 is about 10747.2704906874. The cubic root of 115503823 is about 487.0035417525.

The spelling of 115503823 in words is "one hundred fifteen million, five hundred three thousand, eight hundred twenty-three".