1982915323 has 8 divisors (see below), whose sum is σ = 1988052080. Its totient is φ = 1977786720.

The previous prime is 1982915321. The next prime is 1982915369. The reversal of 1982915323 is 3235192891.

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

It is a cyclic number.

It is not a de Polignac number, because 1982915323 - 2¹ = 1982915321 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1982915323.

It is not an unprimeable number, because it can be changed into a prime (1982915321) 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, 976273 + ... + 978301.

It is an arithmetic number, because the mean of its divisors is an integer number (248506510).

Almost surely, 2^1982915323 is an apocalyptic number.

1982915323 is a deficient number, since it is larger than the sum of its proper divisors (5136757).

1982915323 is a wasteful number, since it uses less digits than its factorization.

1982915323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4077.

The product of its digits is 116640, while the sum is 43.

The square root of 1982915323 is about 44529.9373792508. The cubic root of 1982915323 is about 1256.3232283972.

The spelling of 1982915323 in words is "one billion, nine hundred eighty-two million, nine hundred fifteen thousand, three hundred twenty-three".