1423362643 has 2 divisors, whose sum is σ = 1423362644. Its totient is φ = 1423362642.

The previous prime is 1423362571. The next prime is 1423362653. The reversal of 1423362643 is 3462633241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1423362643 - 2¹³ = 1423354451 is a prime.

It is a super-2 number, since 2×1423362643² = 4051922426975890898, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1423362599 and 1423362608.

It is not a weakly prime, because it can be changed into another prime (1423362653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711681321 + 711681322.

It is an arithmetic number, because the mean of its divisors is an integer number (711681322).

Almost surely, 2^1423362643 is an apocalyptic number.

1423362643 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423362643 is an equidigital number, since it uses as much as digits as its factorization.

1423362643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 34.

The square root of 1423362643 is about 37727.4786197011. The cubic root of 1423362643 is about 1124.8773905554.

Adding to 1423362643 its reverse (3462633241), we get a palindrome (4885995884).

The spelling of 1423362643 in words is "one billion, four hundred twenty-three million, three hundred sixty-two thousand, six hundred forty-three".