101423129986 has 16 divisors (see below), whose sum is σ = 155016617400. Its totient is φ = 49751065728.

The previous prime is 101423129971. The next prime is 101423129993. The reversal of 101423129986 is 689921324101.

It can be written as a sum of positive squares in 4 ways, for example, as 100695155625 + 727974361 = 317325^2 + 26981^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1906030 + ... + 1958518.

Almost surely, 2^101423129986 is an apocalyptic number.

101423129986 is a deficient number, since it is larger than the sum of its proper divisors (53593487414).

101423129986 is a wasteful number, since it uses less digits than its factorization.

101423129986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70773.

The product of its (nonzero) digits is 186624, while the sum is 46.

The spelling of 101423129986 in words is "one hundred one billion, four hundred twenty-three million, one hundred twenty-nine thousand, nine hundred eighty-six".