1982203023 has 8 divisors (see below), whose sum is σ = 2728193536. Its totient is φ = 1278840600.

The previous prime is 1982203019. The next prime is 1982203031. The reversal of 1982203023 is 3203022891.

It is a happy number.

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

It is not a de Polignac number, because 1982203023 - 2² = 1982203019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1982203423) 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, 10656913 + ... + 10657098.

It is an arithmetic number, because the mean of its divisors is an integer number (341024192).

Almost surely, 2^1982203023 is an apocalyptic number.

1982203023 is a deficient number, since it is larger than the sum of its proper divisors (745990513).

1982203023 is a wasteful number, since it uses less digits than its factorization.

1982203023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21314045.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 1982203023 is about 44521.9386707273. The cubic root of 1982203023 is about 1256.1727788379.

The spelling of 1982203023 in words is "one billion, nine hundred eighty-two million, two hundred three thousand, twenty-three".