80023923225 has 27 divisors (see below), whose sum is σ = 143339338623. Its totient is φ = 42677162640.

The previous prime is 80023923193. The next prime is 80023923229. The reversal of 80023923225 is 52232932008.

The square root of 80023923225 is 282885.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 28808612361 + 51215310864 = 169731^2 + 226308^2 .

It is not a de Polignac number, because 80023923225 - 2⁵ = 80023923193 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80023923225.

It is not an unprimeable number, because it can be changed into a prime (80023923229) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 4233846 + ... + 4252704.

Almost surely, 2^80023923225 is an apocalyptic number.

80023923225 is the 282885-th square number.

80023923225 is the 141443-rd centered octagonal number.

It is an amenable number.

80023923225 is a deficient number, since it is larger than the sum of its proper divisors (63315415398).

80023923225 is an frugal number, since it uses more digits than its factorization.

80023923225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37734 (or 18867 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

Multiplying 80023923225 by its sum of digits (36), we get a square (2880861236100 = 1697310²).

The spelling of 80023923225 in words is "eighty billion, twenty-three million, nine hundred twenty-three thousand, two hundred twenty-five".