1823835642 has 8 divisors (see below), whose sum is σ = 3647671296. Its totient is φ = 607945212.

The previous prime is 1823835619. The next prime is 1823835649. The reversal of 1823835642 is 2465383281.

It is a sphenic number, since it is the product of 3 distinct primes.

1823835642 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 1823835594 and 1823835603.

It is not an unprimeable number, because it can be changed into a prime (1823835649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151986298 + ... + 151986309.

It is an arithmetic number, because the mean of its divisors is an integer number (455958912).

Almost surely, 2^1823835642 is an apocalyptic number.

1823835642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1823835642 is a wasteful number, since it uses less digits than its factorization.

1823835642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303972612.

The product of its digits is 276480, while the sum is 42.

The square root of 1823835642 is about 42706.3887726415. The cubic root of 1823835642 is about 1221.7862488564.

The spelling of 1823835642 in words is "one billion, eight hundred twenty-three million, eight hundred thirty-five thousand, six hundred forty-two".