113323121 has 2 divisors, whose sum is σ = 113323122. Its totient is φ = 113323120.

The previous prime is 113323081. The next prime is 113323127. The reversal of 113323121 is 121323311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61842496 + 51480625 = 7864^2 + 7175^2 .

It is an emirp because it is prime and its reverse (121323311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113323121 - 2¹⁴ = 113306737 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 113323121.

It is not a weakly prime, because it can be changed into another prime (113323127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56661560 + 56661561.

It is an arithmetic number, because the mean of its divisors is an integer number (56661561).

Almost surely, 2^113323121 is an apocalyptic number.

It is an amenable number.

113323121 is a deficient number, since it is larger than the sum of its proper divisors (1).

113323121 is an equidigital number, since it uses as much as digits as its factorization.

113323121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108, while the sum is 17.

The square root of 113323121 is about 10645.3332968019. Note that the first 3 decimals coincide. The cubic root of 113323121 is about 483.9191874388.

Adding to 113323121 its reverse (121323311), we get a palindrome (234646432).

The spelling of 113323121 in words is "one hundred thirteen million, three hundred twenty-three thousand, one hundred twenty-one".