100123039 has 2 divisors, whose sum is σ = 100123040. Its totient is φ = 100123038.

The previous prime is 100122977. The next prime is 100123057. The reversal of 100123039 is 930321001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100123039 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100123339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50061519 + 50061520.

It is an arithmetic number, because the mean of its divisors is an integer number (50061520).

Almost surely, 2^100123039 is an apocalyptic number.

100123039 is a deficient number, since it is larger than the sum of its proper divisors (1).

100123039 is an equidigital number, since it uses as much as digits as its factorization.

100123039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 100123039 is about 10006.1500588388. The cubic root of 100123039 is about 464.3491708228.

The spelling of 100123039 in words is "one hundred million, one hundred twenty-three thousand, thirty-nine".