1423251337219 has 2 divisors, whose sum is σ = 1423251337220. Its totient is φ = 1423251337218.

The previous prime is 1423251337213. The next prime is 1423251337243. The reversal of 1423251337219 is 9127331523241.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1423251337219 is a prime.

It is a super-2 number, since 2×1423251337219² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1423251337213) 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, 711625668609 + 711625668610.

It is an arithmetic number, because the mean of its divisors is an integer number (711625668610).

Almost surely, 2^{1423251337219} is an apocalyptic number.

1423251337219 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423251337219 is an equidigital number, since it uses as much as digits as its factorization.

1423251337219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 43.

The spelling of 1423251337219 in words is "one trillion, four hundred twenty-three billion, two hundred fifty-one million, three hundred thirty-seven thousand, two hundred nineteen".