116023509 has 24 divisors (see below), whose sum is σ = 198627520. Its totient is φ = 66298176.

The previous prime is 116023387. The next prime is 116023513. The reversal of 116023509 is 905320611.

116023509 is a `hidden beast` number, since 1 + 1 + 602 + 3 + 50 + 9 = 666.

It is not a de Polignac number, because 116023509 - 2¹¹ = 116021461 is a prime.

It is a super-2 number, since 2×116023509² = 26922909281346162, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116023549) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32404 + ... + 35805.

Almost surely, 2^116023509 is an apocalyptic number.

It is an amenable number.

116023509 is a deficient number, since it is larger than the sum of its proper divisors (82604011).

116023509 is an frugal number, since it uses more digits than its factorization.

116023509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68231 (or 68219 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 116023509 is about 10771.4209369052. The cubic root of 116023509 is about 487.7328402522.

The spelling of 116023509 in words is "one hundred sixteen million, twenty-three thousand, five hundred nine".