1623144540583 has 2 divisors, whose sum is σ = 1623144540584. Its totient is φ = 1623144540582.

The previous prime is 1623144540581. The next prime is 1623144540649. The reversal of 1623144540583 is 3850454413261.

It is a weak prime.

It is an emirp because it is prime and its reverse (3850454413261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1623144540583 - 2¹ = 1623144540581 is a prime.

Together with 1623144540581, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1623144540581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 811572270291 + 811572270292.

It is an arithmetic number, because the mean of its divisors is an integer number (811572270292).

Almost surely, 2^{1623144540583} is an apocalyptic number.

1623144540583 is a deficient number, since it is larger than the sum of its proper divisors (1).

1623144540583 is an equidigital number, since it uses as much as digits as its factorization.

1623144540583 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1382400, while the sum is 46.

The spelling of 1623144540583 in words is "one trillion, six hundred twenty-three billion, one hundred forty-four million, five hundred forty thousand, five hundred eighty-three".