113540123 has 2 divisors, whose sum is σ = 113540124. Its totient is φ = 113540122.

The previous prime is 113540113. The next prime is 113540171. The reversal of 113540123 is 321045311.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113540123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 113540095 and 113540104.

It is not a weakly prime, because it can be changed into another prime (113540113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56770061 + 56770062.

It is an arithmetic number, because the mean of its divisors is an integer number (56770062).

Almost surely, 2^113540123 is an apocalyptic number.

113540123 is a deficient number, since it is larger than the sum of its proper divisors (1).

113540123 is an equidigital number, since it uses as much as digits as its factorization.

113540123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 113540123 is about 10655.5207756355. The cubic root of 113540123 is about 484.2278754722.

Adding to 113540123 its reverse (321045311), we get a palindrome (434585434).

The spelling of 113540123 in words is "one hundred thirteen million, five hundred forty thousand, one hundred twenty-three".