115381023 has 16 divisors (see below), whose sum is σ = 164340576. Its totient is φ = 71751680.

The previous prime is 115381009. The next prime is 115381031. The reversal of 115381023 is 320183511.

It is a cyclic number.

It is not a de Polignac number, because 115381023 - 2¹² = 115376927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 115380984 and 115381002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115381033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4248 + ... + 15773.

It is an arithmetic number, because the mean of its divisors is an integer number (10271286).

Almost surely, 2^115381023 is an apocalyptic number.

115381023 is a deficient number, since it is larger than the sum of its proper divisors (48959553).

115381023 is a wasteful number, since it uses less digits than its factorization.

115381023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20154.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 115381023 is about 10741.5558928863. Note that the first 3 decimals coincide. The cubic root of 115381023 is about 486.8308916479.

It can be divided in two parts, 11538 and 1023, that added together give a triangular number (12561 = T₁₅₈).

The spelling of 115381023 in words is "one hundred fifteen million, three hundred eighty-one thousand, twenty-three".