280633495823 has 2 divisors, whose sum is σ = 280633495824. Its totient is φ = 280633495822.

The previous prime is 280633495819. The next prime is 280633495859. The reversal of 280633495823 is 328594336082.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 280633495823 - 2² = 280633495819 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (280633495123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140316747911 + 140316747912.

It is an arithmetic number, because the mean of its divisors is an integer number (140316747912).

Almost surely, 2^280633495823 is an apocalyptic number.

280633495823 is a deficient number, since it is larger than the sum of its proper divisors (1).

280633495823 is an equidigital number, since it uses as much as digits as its factorization.

280633495823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7464960, while the sum is 53.

The spelling of 280633495823 in words is "two hundred eighty billion, six hundred thirty-three million, four hundred ninety-five thousand, eight hundred twenty-three".