113123013457 has 4 divisors (see below), whose sum is σ = 113124433716. Its totient is φ = 113121593200.

The previous prime is 113123013413. The next prime is 113123013461. The reversal of 113123013457 is 754310321311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 754310321311 = 613 ⋅1230522547.

It can be written as a sum of positive squares in 2 ways, for example, as 33987134736 + 79135878721 = 184356^2 + 281311^2 .

It is a cyclic number.

It is not a de Polignac number, because 113123013457 - 2⁷ = 113123013329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113123013407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 583078 + ... + 752479.

It is an arithmetic number, because the mean of its divisors is an integer number (28281108429).

Almost surely, 2^113123013457 is an apocalyptic number.

It is an amenable number.

113123013457 is a deficient number, since it is larger than the sum of its proper divisors (1420259).

113123013457 is an equidigital number, since it uses as much as digits as its factorization.

113123013457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1420258.

The product of its (nonzero) digits is 7560, while the sum is 31.

Adding to 113123013457 its reverse (754310321311), we get a palindrome (867433334768).

The spelling of 113123013457 in words is "one hundred thirteen billion, one hundred twenty-three million, thirteen thousand, four hundred fifty-seven".