1823438364 has 24 divisors (see below), whose sum is σ = 4641479808. Its totient is φ = 552557040.

The previous prime is 1823438363. The next prime is 1823438381. The reversal of 1823438364 is 4638343281.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1823438363) 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, 6906832 + ... + 6907095.

It is an arithmetic number, because the mean of its divisors is an integer number (193394992).

Almost surely, 2^1823438364 is an apocalyptic number.

It is an amenable number.

1823438364 is an abundant number, since it is smaller than the sum of its proper divisors (2818041444).

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

1823438364 is a wasteful number, since it uses less digits than its factorization.

1823438364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13813945 (or 13813943 counting only the distinct ones).

The product of its digits is 331776, while the sum is 42.

The square root of 1823438364 is about 42701.7372480324. The cubic root of 1823438364 is about 1221.6975303276.

The spelling of 1823438364 in words is "one billion, eight hundred twenty-three million, four hundred thirty-eight thousand, three hundred sixty-four".