280425023 has 2 divisors, whose sum is σ = 280425024. Its totient is φ = 280425022.

The previous prime is 280425007. The next prime is 280425031. The reversal of 280425023 is 320524082.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 280425023 - 2⁴ = 280425007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 280424983 and 280425001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (280425073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140212511 + 140212512.

It is an arithmetic number, because the mean of its divisors is an integer number (140212512).

Almost surely, 2^280425023 is an apocalyptic number.

280425023 is a deficient number, since it is larger than the sum of its proper divisors (1).

280425023 is an equidigital number, since it uses as much as digits as its factorization.

280425023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 280425023 is about 16745.8957061126. The cubic root of 280425023 is about 654.5441133606.

The spelling of 280425023 in words is "two hundred eighty million, four hundred twenty-five thousand, twenty-three".