113233403123 has 4 divisors (see below), whose sum is σ = 119894191560. Its totient is φ = 106572614688.

The previous prime is 113233403099. The next prime is 113233403147. The reversal of 113233403123 is 321304332311.

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

It is an interprime number because it is at equal distance from previous prime (113233403099) and next prime (113233403147).

It is a cyclic number.

It is not a de Polignac number, because 113233403123 - 2²⁸ = 112964967667 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113233403092 and 113233403101.

It is not an unprimeable number, because it can be changed into a prime (113233403623) 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, 3330394193 + ... + 3330394226.

It is an arithmetic number, because the mean of its divisors is an integer number (29973547890).

Almost surely, 2^113233403123 is an apocalyptic number.

113233403123 is a deficient number, since it is larger than the sum of its proper divisors (6660788437).

113233403123 is an equidigital number, since it uses as much as digits as its factorization.

113233403123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6660788436.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 113233403123 its reverse (321304332311), we get a palindrome (434537735434).

The spelling of 113233403123 in words is "one hundred thirteen billion, two hundred thirty-three million, four hundred three thousand, one hundred twenty-three".