83981023 has 16 divisors (see below), whose sum is σ = 97770240. Its totient is φ = 70652736.

The previous prime is 83981017. The next prime is 83981033. The reversal of 83981023 is 32018938.

It is not a de Polignac number, because 83981023 - 2¹⁷ = 83849951 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 83981023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83981033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101136 + ... + 101962.

It is an arithmetic number, because the mean of its divisors is an integer number (6110640).

Almost surely, 2^83981023 is an apocalyptic number.

83981023 is a deficient number, since it is larger than the sum of its proper divisors (13789217).

83981023 is a wasteful number, since it uses less digits than its factorization.

83981023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1086.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 83981023 is about 9164.1160512076. The cubic root of 83981023 is about 437.9189312927.

The spelling of 83981023 in words is "eighty-three million, nine hundred eighty-one thousand, twenty-three".