103649853923 has 12 divisors (see below), whose sum is σ = 130204776240. Its totient is φ = 80766119280.

The previous prime is 103649853869. The next prime is 103649853973. The reversal of 103649853923 is 329358946301.

It is not a de Polignac number, because 103649853923 - 2¹⁶ = 103649788387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (103649853973) 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 in 11 ways as a sum of consecutive naturals, for example, 61185608 + ... + 61187301.

It is an arithmetic number, because the mean of its divisors is an integer number (10850398020).

Almost surely, 2^103649853923 is an apocalyptic number.

103649853923 is a deficient number, since it is larger than the sum of its proper divisors (26554922317).

103649853923 is a wasteful number, since it uses less digits than its factorization.

103649853923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122372938 (or 122372927 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 53.

The spelling of 103649853923 in words is "one hundred three billion, six hundred forty-nine million, eight hundred fifty-three thousand, nine hundred twenty-three".