113421432023 has 4 divisors (see below), whose sum is σ = 113425140720. Its totient is φ = 113417723328.

The previous prime is 113421431993. The next prime is 113421432029. The reversal of 113421432023 is 320234124311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 113421432023 - 2¹² = 113421427927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113421431983 and 113421432001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113421432029) 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, 1808090 + ... + 1869767.

It is an arithmetic number, because the mean of its divisors is an integer number (28356285180).

Almost surely, 2^113421432023 is an apocalyptic number.

113421432023 is a deficient number, since it is larger than the sum of its proper divisors (3708697).

113421432023 is an equidigital number, since it uses as much as digits as its factorization.

113421432023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3708696.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 113421432023 its reverse (320234124311), we get a palindrome (433655556334).

The spelling of 113421432023 in words is "one hundred thirteen billion, four hundred twenty-one million, four hundred thirty-two thousand, twenty-three".