1283502823 has 2 divisors, whose sum is σ = 1283502824. Its totient is φ = 1283502822.

The previous prime is 1283502811. The next prime is 1283502841. The reversal of 1283502823 is 3282053821.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1283502823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1283502893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 641751411 + 641751412.

It is an arithmetic number, because the mean of its divisors is an integer number (641751412).

Almost surely, 2^1283502823 is an apocalyptic number.

1283502823 is a deficient number, since it is larger than the sum of its proper divisors (1).

1283502823 is an equidigital number, since it uses as much as digits as its factorization.

1283502823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 1283502823 is about 35826.0076341197. The cubic root of 1283502823 is about 1086.7565741767.

The spelling of 1283502823 in words is "one billion, two hundred eighty-three million, five hundred two thousand, eight hundred twenty-three".