115400523 has 8 divisors (see below), whose sum is σ = 175848448. Its totient is φ = 65943144.

The previous prime is 115400501. The next prime is 115400543. The reversal of 115400523 is 325004511.

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

It is not a de Polignac number, because 115400523 - 2¹⁸ = 115138379 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 5495263 = 115400523 / (1 + 1 + 5 + 4 + 0 + 0 + 5 + 2 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 115400523.

It is not an unprimeable number, because it can be changed into a prime (115400543) 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, 2747611 + ... + 2747652.

It is an arithmetic number, because the mean of its divisors is an integer number (21981056).

Almost surely, 2^115400523 is an apocalyptic number.

115400523 is a deficient number, since it is larger than the sum of its proper divisors (60447925).

115400523 is an equidigital number, since it uses as much as digits as its factorization.

115400523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5495273.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 115400523 is about 10742.4635442714. The cubic root of 115400523 is about 486.8583157637.

The spelling of 115400523 in words is "one hundred fifteen million, four hundred thousand, five hundred twenty-three".