115723642 has 16 divisors (see below), whose sum is σ = 187662240. Its totient is φ = 53334288.

The previous prime is 115723633. The next prime is 115723691. The reversal of 115723642 is 246327511.

It is a super-2 number, since 2×115723642² = 26783922635488328, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 39748 + ... + 42559.

It is an arithmetic number, because the mean of its divisors is an integer number (11728890).

Almost surely, 2^115723642 is an apocalyptic number.

115723642 is a deficient number, since it is larger than the sum of its proper divisors (71938598).

115723642 is a wasteful number, since it uses less digits than its factorization.

115723642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82365.

The product of its digits is 10080, while the sum is 31.

The square root of 115723642 is about 10757.4923657886. The cubic root of 115723642 is about 487.3122899501.

The spelling of 115723642 in words is "one hundred fifteen million, seven hundred twenty-three thousand, six hundred forty-two".