100423974073 has 4 divisors (see below), whose sum is σ = 101418270948. Its totient is φ = 99429677200.

The previous prime is 100423974011. The next prime is 100423974103. The reversal of 100423974073 is 370479324001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 370479324001 = 61 ⋅6073431541.

It can be written as a sum of positive squares in 2 ways, for example, as 47216247849 + 53207726224 = 217293^2 + 230668^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100423974073 is a prime.

It is a super-2 number, since 2×100423974073² (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 (100423174073) 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, 497148286 + ... + 497148487.

It is an arithmetic number, because the mean of its divisors is an integer number (25354567737).

Almost surely, 2^100423974073 is an apocalyptic number.

It is an amenable number.

100423974073 is a deficient number, since it is larger than the sum of its proper divisors (994296875).

100423974073 is an equidigital number, since it uses as much as digits as its factorization.

100423974073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994296874.

The product of its (nonzero) digits is 127008, while the sum is 40.

The spelling of 100423974073 in words is "one hundred billion, four hundred twenty-three million, nine hundred seventy-four thousand, seventy-three".