115390823 has 2 divisors, whose sum is σ = 115390824. Its totient is φ = 115390822.

The previous prime is 115390811. The next prime is 115390837. The reversal of 115390823 is 328093511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115390823 - 2¹² = 115386727 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 115390823.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115390423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57695411 + 57695412.

It is an arithmetic number, because the mean of its divisors is an integer number (57695412).

Almost surely, 2^115390823 is an apocalyptic number.

115390823 is a deficient number, since it is larger than the sum of its proper divisors (1).

115390823 is an equidigital number, since it uses as much as digits as its factorization.

115390823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 115390823 is about 10742.0120554764. The cubic root of 115390823 is about 486.8446744102.

The spelling of 115390823 in words is "one hundred fifteen million, three hundred ninety thousand, eight hundred twenty-three".