1655843023 has 2 divisors, whose sum is σ = 1655843024. Its totient is φ = 1655843022.

The previous prime is 1655842961. The next prime is 1655843029. The reversal of 1655843023 is 3203485561.

It is a strong prime.

It is an emirp because it is prime and its reverse (3203485561) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1655843023 - 2⁹ = 1655842511 is a prime.

It is a super-2 number, since 2×1655843023² = 5483632233635557058, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1655843029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 827921511 + 827921512.

It is an arithmetic number, because the mean of its divisors is an integer number (827921512).

Almost surely, 2^1655843023 is an apocalyptic number.

1655843023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1655843023 is an equidigital number, since it uses as much as digits as its factorization.

1655843023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 1655843023 is about 40692.0511033789. The cubic root of 1655843023 is about 1183.0589557246.

The spelling of 1655843023 in words is "one billion, six hundred fifty-five million, eight hundred forty-three thousand, twenty-three".