1823838630 has 16 divisors (see below), whose sum is σ = 4377212784. Its totient is φ = 486356960.

The previous prime is 1823838607. The next prime is 1823838631. The reversal of 1823838630 is 368383281.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1823838631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30397281 + ... + 30397340.

It is an arithmetic number, because the mean of its divisors is an integer number (273575799).

Almost surely, 2^1823838630 is an apocalyptic number.

1823838630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1823838630 is an abundant number, since it is smaller than the sum of its proper divisors (2553374154).

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

1823838630 is a wasteful number, since it uses less digits than its factorization.

1823838630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60794631.

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 1823838630 is about 42706.4237556834. The cubic root of 1823838630 is about 1221.7869160758.

The spelling of 1823838630 in words is "one billion, eight hundred twenty-three million, eight hundred thirty-eight thousand, six hundred thirty".