1423565419 has 2 divisors, whose sum is σ = 1423565420. Its totient is φ = 1423565418.

The previous prime is 1423565401. The next prime is 1423565441. The reversal of 1423565419 is 9145653241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1423565419 - 2¹⁵ = 1423532651 is a prime.

It is a super-2 number, since 2×1423565419² = 4053077004345291122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1423565119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711782709 + 711782710.

It is an arithmetic number, because the mean of its divisors is an integer number (711782710).

Almost surely, 2^1423565419 is an apocalyptic number.

1423565419 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423565419 is an equidigital number, since it uses as much as digits as its factorization.

1423565419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129600, while the sum is 40.

The square root of 1423565419 is about 37730.1659021001. The cubic root of 1423565419 is about 1124.9308056866.

The spelling of 1423565419 in words is "one billion, four hundred twenty-three million, five hundred sixty-five thousand, four hundred nineteen".