1623664003343 has 2 divisors, whose sum is σ = 1623664003344. Its totient is φ = 1623664003342.

The previous prime is 1623664003201. The next prime is 1623664003391. The reversal of 1623664003343 is 3433004663261.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1623664003343 - 2¹⁰ = 1623664002319 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1623664003343.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1623664003043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 811832001671 + 811832001672.

It is an arithmetic number, because the mean of its divisors is an integer number (811832001672).

Almost surely, 2^{1623664003343} is an apocalyptic number.

1623664003343 is a deficient number, since it is larger than the sum of its proper divisors (1).

1623664003343 is an equidigital number, since it uses as much as digits as its factorization.

1623664003343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 559872, while the sum is 41.

The spelling of 1623664003343 in words is "one trillion, six hundred twenty-three billion, six hundred sixty-four million, three thousand, three hundred forty-three".