115221023 has 2 divisors, whose sum is σ = 115221024. Its totient is φ = 115221022.

The previous prime is 115221011. The next prime is 115221049. The reversal of 115221023 is 320122511.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115221023 - 2⁸ = 115220767 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 115220992 and 115221010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115221923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57610511 + 57610512.

It is an arithmetic number, because the mean of its divisors is an integer number (57610512).

Almost surely, 2^115221023 is an apocalyptic number.

115221023 is a deficient number, since it is larger than the sum of its proper divisors (1).

115221023 is an equidigital number, since it uses as much as digits as its factorization.

115221023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 115221023 is about 10734.1055985117. The cubic root of 115221023 is about 486.6057564874.

Adding to 115221023 its reverse (320122511), we get a palindrome (435343534).

The spelling of 115221023 in words is "one hundred fifteen million, two hundred twenty-one thousand, twenty-three".