113304205523 has 2 divisors, whose sum is σ = 113304205524. Its totient is φ = 113304205522.

The previous prime is 113304205397. The next prime is 113304205549. The reversal of 113304205523 is 325502403311.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (325502403311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113304205523 - 2¹² = 113304201427 is a prime.

It is not a weakly prime, because it can be changed into another prime (113304205823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56652102761 + 56652102762.

It is an arithmetic number, because the mean of its divisors is an integer number (56652102762).

Almost surely, 2^113304205523 is an apocalyptic number.

113304205523 is a deficient number, since it is larger than the sum of its proper divisors (1).

113304205523 is an equidigital number, since it uses as much as digits as its factorization.

113304205523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 113304205523 its reverse (325502403311), we get a palindrome (438806608834).

The spelling of 113304205523 in words is "one hundred thirteen billion, three hundred four million, two hundred five thousand, five hundred twenty-three".