113102123 has 4 divisors (see below), whose sum is σ = 114222048. Its totient is φ = 111982200.

The previous prime is 113102111. The next prime is 113102141. The reversal of 113102123 is 321201311.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113102123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113102098 and 113102107.

It is not an unprimeable number, because it can be changed into a prime (113102153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 559811 + ... + 560012.

It is an arithmetic number, because the mean of its divisors is an integer number (28555512).

Almost surely, 2^113102123 is an apocalyptic number.

113102123 is a deficient number, since it is larger than the sum of its proper divisors (1119925).

113102123 is a wasteful number, since it uses less digits than its factorization.

113102123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1119924.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 113102123 is about 10634.9481898127. The cubic root of 113102123 is about 483.6044097569.

Adding to 113102123 its reverse (321201311), we get a palindrome (434303434).

The spelling of 113102123 in words is "one hundred thirteen million, one hundred two thousand, one hundred twenty-three".