101113123 has 2 divisors, whose sum is σ = 101113124. Its totient is φ = 101113122.

The previous prime is 101113097. The next prime is 101113141. The reversal of 101113123 is 321311101.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101113123 is a prime.

It is not a weakly prime, because it can be changed into another prime (101113153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50556561 + 50556562.

It is an arithmetic number, because the mean of its divisors is an integer number (50556562).

Almost surely, 2^101113123 is an apocalyptic number.

101113123 is a deficient number, since it is larger than the sum of its proper divisors (1).

101113123 is an equidigital number, since it uses as much as digits as its factorization.

101113123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 101113123 is about 10055.5021257021. The cubic root of 101113123 is about 465.8747522081.

Adding to 101113123 its reverse (321311101), we get a palindrome (422424224).

The spelling of 101113123 in words is "one hundred one million, one hundred thirteen thousand, one hundred twenty-three".