113143232454 has 128 divisors (see below), whose sum is σ = 282630021120. Its totient is φ = 29462247936.

The previous prime is 113143232431. The next prime is 113143232467. The reversal of 113143232454 is 454232341311.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2802399 + ... + 2842485.

It is an arithmetic number, because the mean of its divisors is an integer number (2208047040).

Almost surely, 2^113143232454 is an apocalyptic number.

113143232454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 113143232454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141315010560).

113143232454 is an abundant number, since it is smaller than the sum of its proper divisors (169486788666).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113143232454 is a wasteful number, since it uses less digits than its factorization.

113143232454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40242.

The product of its digits is 34560, while the sum is 33.

Adding to 113143232454 its reverse (454232341311), we get a palindrome (567375573765).

The spelling of 113143232454 in words is "one hundred thirteen billion, one hundred forty-three million, two hundred thirty-two thousand, four hundred fifty-four".