872225203423723 has 2 divisors, whose sum is σ = 872225203423724. Its totient is φ = 872225203423722.

The previous prime is 872225203423681. The next prime is 872225203423733. The reversal of 872225203423723 is 327324302522278.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 872225203423723 - 2⁴⁵ = 837040831334891 is a prime.

It is a super-2 number, since 2×872225203423723² (a number of 31 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (872225203423733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436112601711861 + 436112601711862.

It is an arithmetic number, because the mean of its divisors is an integer number (436112601711862).

Almost surely, 2^{872225203423723} is an apocalyptic number.

872225203423723 is a deficient number, since it is larger than the sum of its proper divisors (1).

872225203423723 is an equidigital number, since it uses as much as digits as its factorization.

872225203423723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13547520, while the sum is 52.

The spelling of 872225203423723 in words is "eight hundred seventy-two trillion, two hundred twenty-five billion, two hundred three million, four hundred twenty-three thousand, seven hundred twenty-three".