115919623 has 4 divisors (see below), whose sum is σ = 117387040. Its totient is φ = 114452208.

The previous prime is 115919621. The next prime is 115919653. The reversal of 115919623 is 326919511.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 115919623 - 2¹ = 115919621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115919621) 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, 733590 + ... + 733747.

It is an arithmetic number, because the mean of its divisors is an integer number (29346760).

Almost surely, 2^115919623 is an apocalyptic number.

115919623 is a deficient number, since it is larger than the sum of its proper divisors (1467417).

115919623 is an equidigital number, since it uses as much as digits as its factorization.

115919623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1467416.

The product of its digits is 14580, while the sum is 37.

The square root of 115919623 is about 10766.5975591177. The cubic root of 115919623 is about 487.5872268201.

The spelling of 115919623 in words is "one hundred fifteen million, nine hundred nineteen thousand, six hundred twenty-three".