113204205523 has 2 divisors, whose sum is σ = 113204205524. Its totient is φ = 113204205522.

The previous prime is 113204205511. The next prime is 113204205547. The reversal of 113204205523 is 325502402311.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113204205523 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 113204205491 and 113204205500.

It is not a weakly prime, because it can be changed into another prime (113204205923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56602102761 + 56602102762.

It is an arithmetic number, because the mean of its divisors is an integer number (56602102762).

Almost surely, 2^113204205523 is an apocalyptic number.

113204205523 is a deficient number, since it is larger than the sum of its proper divisors (1).

113204205523 is an equidigital number, since it uses as much as digits as its factorization.

113204205523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 113204205523 its reverse (325502402311), we get a palindrome (438706607834).

The spelling of 113204205523 in words is "one hundred thirteen billion, two hundred four million, two hundred five thousand, five hundred twenty-three".