280674423 has 16 divisors (see below), whose sum is σ = 416482560. Its totient is φ = 186815448.

The previous prime is 280674413. The next prime is 280674461. The reversal of 280674423 is 324476082.

It is not a de Polignac number, because 280674423 - 2⁵ = 280674391 is a prime.

It is a super-3 number, since 3×280674423³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (280674413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9436 + ... + 25502.

It is an arithmetic number, because the mean of its divisors is an integer number (26030160).

Almost surely, 2^280674423 is an apocalyptic number.

280674423 is a deficient number, since it is larger than the sum of its proper divisors (135808137).

280674423 is a wasteful number, since it uses less digits than its factorization.

280674423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16723 (or 16717 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 280674423 is about 16753.3406519416. The cubic root of 280674423 is about 654.7380985832.

The spelling of 280674423 in words is "two hundred eighty million, six hundred seventy-four thousand, four hundred twenty-three".