101975913723 has 4 divisors (see below), whose sum is σ = 135967884968. Its totient is φ = 67983942480.

The previous prime is 101975913709. The next prime is 101975913731. The reversal of 101975913723 is 327319579101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 101975913723 - 2¹⁰ = 101975912699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101975913773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16995985618 + ... + 16995985623.

It is an arithmetic number, because the mean of its divisors is an integer number (33991971242).

Almost surely, 2^101975913723 is an apocalyptic number.

101975913723 is a deficient number, since it is larger than the sum of its proper divisors (33991971245).

101975913723 is an equidigital number, since it uses as much as digits as its factorization.

101975913723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33991971244.

The product of its (nonzero) digits is 357210, while the sum is 48.

The spelling of 101975913723 in words is "one hundred one billion, nine hundred seventy-five million, nine hundred thirteen thousand, seven hundred twenty-three".