1823930140 has 24 divisors (see below), whose sum is σ = 3919330800. Its totient is φ = 712604928.

The previous prime is 1823930123. The next prime is 1823930159. The reversal of 1823930140 is 410393281.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1059565 + ... + 1061284.

It is an arithmetic number, because the mean of its divisors is an integer number (163305450).

Almost surely, 2^1823930140 is an apocalyptic number.

1823930140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1823930140 is an abundant number, since it is smaller than the sum of its proper divisors (2095400660).

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

1823930140 is a wasteful number, since it uses less digits than its factorization.

1823930140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2120901 (or 2120899 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 1823930140 is about 42707.4951267339. The cubic root of 1823930140 is about 1221.8073498738.

The spelling of 1823930140 in words is "one billion, eight hundred twenty-three million, nine hundred thirty thousand, one hundred forty".