113430232123 has 16 divisors (see below), whose sum is σ = 128613048480. Its totient is φ = 99172318464.

The previous prime is 113430232093. The next prime is 113430232141. The reversal of 113430232123 is 321232034311.

It is a cyclic number.

It is not a de Polignac number, because 113430232123 - 2¹³ = 113430223931 is a prime.

It is a super-2 number, since 2×113430232123² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113430232423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1135965 + ... + 1231777.

It is an arithmetic number, because the mean of its divisors is an integer number (8038315530).

Almost surely, 2^113430232123 is an apocalyptic number.

113430232123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

113430232123 is a deficient number, since it is larger than the sum of its proper divisors (15182816357).

113430232123 is a wasteful number, since it uses less digits than its factorization.

113430232123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100638.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 113430232123 its reverse (321232034311), we get a palindrome (434662266434).

The spelling of 113430232123 in words is "one hundred thirteen billion, four hundred thirty million, two hundred thirty-two thousand, one hundred twenty-three".