1423302493 has 2 divisors, whose sum is σ = 1423302494. Its totient is φ = 1423302492.

The previous prime is 1423302487. The next prime is 1423302511. The reversal of 1423302493 is 3942033241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1318997124 + 104305369 = 36318^2 + 10213^2 .

It is a cyclic number.

It is not a de Polignac number, because 1423302493 - 2⁹ = 1423301981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1423302893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711651246 + 711651247.

It is an arithmetic number, because the mean of its divisors is an integer number (711651247).

Almost surely, 2^1423302493 is an apocalyptic number.

It is an amenable number.

1423302493 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423302493 is an equidigital number, since it uses as much as digits as its factorization.

1423302493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 1423302493 is about 37726.6814469548. The cubic root of 1423302493 is about 1124.8615449033.

The spelling of 1423302493 in words is "one billion, four hundred twenty-three million, three hundred two thousand, four hundred ninety-three".