101010123239 has 2 divisors, whose sum is σ = 101010123240. Its totient is φ = 101010123238.

The previous prime is 101010123211. The next prime is 101010123259. The reversal of 101010123239 is 932321010101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101010123239 - 2¹² = 101010119143 is a prime.

It is a super-2 number, since 2×101010123239² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101010123259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50505061619 + 50505061620.

It is an arithmetic number, because the mean of its divisors is an integer number (50505061620).

Almost surely, 2^101010123239 is an apocalyptic number.

101010123239 is a deficient number, since it is larger than the sum of its proper divisors (1).

101010123239 is an equidigital number, since it uses as much as digits as its factorization.

101010123239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 23.

The spelling of 101010123239 in words is "one hundred one billion, ten million, one hundred twenty-three thousand, two hundred thirty-nine".