113205016123 has 8 divisors (see below), whose sum is σ = 113411247840. Its totient is φ = 112998970560.

The previous prime is 113205016109. The next prime is 113205016151. The reversal of 113205016123 is 321610502311.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113205016123 - 2¹³ = 113205007931 is a prime.

It is a super-2 number, since 2×113205016123² (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 (113205016823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1201053 + ... + 1291873.

It is an arithmetic number, because the mean of its divisors is an integer number (14176405980).

Almost surely, 2^113205016123 is an apocalyptic number.

113205016123 is a deficient number, since it is larger than the sum of its proper divisors (206231717).

113205016123 is an equidigital number, since it uses as much as digits as its factorization.

113205016123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93077.

The product of its (nonzero) digits is 1080, while the sum is 25.

Adding to 113205016123 its reverse (321610502311), we get a palindrome (434815518434).

The spelling of 113205016123 in words is "one hundred thirteen billion, two hundred five million, sixteen thousand, one hundred twenty-three".