1840341623 has 2 divisors, whose sum is σ = 1840341624. Its totient is φ = 1840341622.

The previous prime is 1840341599. The next prime is 1840341677. The reversal of 1840341623 is 3261430481.

It is a weak prime.

It is an emirp because it is prime and its reverse (3261430481) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1840341623 - 2²⁰ = 1839293047 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1840341623.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1840341523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 920170811 + 920170812.

It is an arithmetic number, because the mean of its divisors is an integer number (920170812).

Almost surely, 2^1840341623 is an apocalyptic number.

1840341623 is a deficient number, since it is larger than the sum of its proper divisors (1).

1840341623 is an equidigital number, since it uses as much as digits as its factorization.

1840341623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 1840341623 is about 42899.2030578658. The cubic root of 1840341623 is about 1225.4609672633.

The spelling of 1840341623 in words is "one billion, eight hundred forty million, three hundred forty-one thousand, six hundred twenty-three".