72203110033123 has 4 divisors (see below), whose sum is σ = 72254720549200. Its totient is φ = 72151499517048.

The previous prime is 72203110033121. The next prime is 72203110033151. The reversal of 72203110033123 is 32133001130227.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 72203110033123 - 2¹ = 72203110033121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72203110033091 and 72203110033100.

It is not an unprimeable number, because it can be changed into a prime (72203110033121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25805255940 + ... + 25805258737.

It is an arithmetic number, because the mean of its divisors is an integer number (18063680137300).

Almost surely, 2^{72203110033123} is an apocalyptic number.

72203110033123 is a deficient number, since it is larger than the sum of its proper divisors (51610516077).

72203110033123 is a wasteful number, since it uses less digits than its factorization.

72203110033123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51610516076.

The product of its (nonzero) digits is 4536, while the sum is 28.

The spelling of 72203110033123 in words is "seventy-two trillion, two hundred three billion, one hundred ten million, thirty-three thousand, one hundred twenty-three".