1623664003043 has 2 divisors, whose sum is σ = 1623664003044. Its totient is φ = 1623664003042.

The previous prime is 1623664003037. The next prime is 1623664003051. The reversal of 1623664003043 is 3403004663261.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1623664003043 - 2⁶ = 1623664002979 is a prime.

It is a super-2 number, since 2×1623664003043² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1623664002988 and 1623664003006.

It is not a weakly prime, because it can be changed into another prime (1623664003343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 811832001521 + 811832001522.

It is an arithmetic number, because the mean of its divisors is an integer number (811832001522).

Almost surely, 2^{1623664003043} is an apocalyptic number.

1623664003043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1623664003043 is an equidigital number, since it uses as much as digits as its factorization.

1623664003043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 38.

The spelling of 1623664003043 in words is "one trillion, six hundred twenty-three billion, six hundred sixty-four million, three thousand, forty-three".