113321001123 has 48 divisors (see below), whose sum is σ = 189090720000. Its totient is φ = 64674901440.

The previous prime is 113321001121. The next prime is 113321001179. The reversal of 113321001123 is 321100123311.

It is not a de Polignac number, because 113321001123 - 2¹ = 113321001121 is a prime.

It is a super-2 number, since 2×113321001123² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 113321001096 and 113321001105.

It is not an unprimeable number, because it can be changed into a prime (113321001121) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 133753 + ... + 494501.

It is an arithmetic number, because the mean of its divisors is an integer number (3939390000).

Almost surely, 2^113321001123 is an apocalyptic number.

113321001123 is a deficient number, since it is larger than the sum of its proper divisors (75769718877).

113321001123 is a wasteful number, since it uses less digits than its factorization.

113321001123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360952 (or 360949 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 113321001123 its reverse (321100123311), we get a palindrome (434421124434).

The spelling of 113321001123 in words is "one hundred thirteen billion, three hundred twenty-one million, one thousand, one hundred twenty-three".