280525300023 has 4 divisors (see below), whose sum is σ = 374033733368. Its totient is φ = 187016866680.

The previous prime is 280525300001. The next prime is 280525300043. The reversal of 280525300023 is 320003525082.

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

It is not a de Polignac number, because 280525300023 - 2⁹ = 280525299511 is a prime.

It is a super-3 number, since 3×280525300023³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (280525300043) 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, 46754216668 + ... + 46754216673.

It is an arithmetic number, because the mean of its divisors is an integer number (93508433342).

Almost surely, 2^280525300023 is an apocalyptic number.

280525300023 is a deficient number, since it is larger than the sum of its proper divisors (93508433345).

280525300023 is an equidigital number, since it uses as much as digits as its factorization.

280525300023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93508433344.

The product of its (nonzero) digits is 14400, while the sum is 30.

The spelling of 280525300023 in words is "two hundred eighty billion, five hundred twenty-five million, three hundred thousand, twenty-three".