1423332139 has 2 divisors, whose sum is σ = 1423332140. Its totient is φ = 1423332138.

The previous prime is 1423332077. The next prime is 1423332181. The reversal of 1423332139 is 9312333241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1423332139 - 2⁹ = 1423331627 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1423332139.

It is not a weakly prime, because it can be changed into another prime (1423338139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711666069 + 711666070.

It is an arithmetic number, because the mean of its divisors is an integer number (711666070).

Almost surely, 2^1423332139 is an apocalyptic number.

1423332139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423332139 is an equidigital number, since it uses as much as digits as its factorization.

1423332139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 31.

The square root of 1423332139 is about 37727.0743498618. The cubic root of 1423332139 is about 1124.8693547713.

The spelling of 1423332139 in words is "one billion, four hundred twenty-three million, three hundred thirty-two thousand, one hundred thirty-nine".