113434400023 has 4 divisors (see below), whose sum is σ = 129639314320. Its totient is φ = 97229485728.

The previous prime is 113434399997. The next prime is 113434400063. The reversal of 113434400023 is 320004434311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320004434311 = 1913 ⋅167278847.

It is a cyclic number.

It is not a de Polignac number, because 113434400023 - 2³³ = 104844465431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113434400063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8102457138 + ... + 8102457151.

It is an arithmetic number, because the mean of its divisors is an integer number (32409828580).

Almost surely, 2^113434400023 is an apocalyptic number.

113434400023 is a deficient number, since it is larger than the sum of its proper divisors (16204914297).

113434400023 is an equidigital number, since it uses as much as digits as its factorization.

113434400023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16204914296.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 113434400023 its reverse (320004434311), we get a palindrome (433438834334).

The spelling of 113434400023 in words is "one hundred thirteen billion, four hundred thirty-four million, four hundred thousand, twenty-three".