100723613723 has 4 divisors (see below), whose sum is σ = 100724325168. Its totient is φ = 100722902280.

The previous prime is 100723613693. The next prime is 100723613743. The reversal of 100723613723 is 327316327001.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 327316327001 = 120097 ⋅2725433.

It is a cyclic number.

It is not a de Polignac number, because 100723613723 - 2¹⁰ = 100723612699 is a prime.

It is a super-2 number, since 2×100723613723² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100723613743) 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, 63143 + ... + 453248.

It is an arithmetic number, because the mean of its divisors is an integer number (25181081292).

Almost surely, 2^100723613723 is an apocalyptic number.

100723613723 is a deficient number, since it is larger than the sum of its proper divisors (711445).

100723613723 is an equidigital number, since it uses as much as digits as its factorization.

100723613723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711444.

The product of its (nonzero) digits is 31752, while the sum is 35.

The spelling of 100723613723 in words is "one hundred billion, seven hundred twenty-three million, six hundred thirteen thousand, seven hundred twenty-three".