280912230143 has 2 divisors, whose sum is σ = 280912230144. Its totient is φ = 280912230142.

The previous prime is 280912230103. The next prime is 280912230149. The reversal of 280912230143 is 341032219082.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 280912230143 - 2¹⁴ = 280912213759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (280912230149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140456115071 + 140456115072.

It is an arithmetic number, because the mean of its divisors is an integer number (140456115072).

Almost surely, 2^280912230143 is an apocalyptic number.

280912230143 is a deficient number, since it is larger than the sum of its proper divisors (1).

280912230143 is an equidigital number, since it uses as much as digits as its factorization.

280912230143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 280912230143 in words is "two hundred eighty billion, nine hundred twelve million, two hundred thirty thousand, one hundred forty-three".