83812023 has 48 divisors (see below), whose sum is σ = 137928960. Its totient is φ = 50193792.

The previous prime is 83812009. The next prime is 83812033. The reversal of 83812023 is 32021838.

It is not a de Polignac number, because 83812023 - 2⁴ = 83812007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83812033) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 179236 + ... + 179702.

It is an arithmetic number, because the mean of its divisors is an integer number (2873520).

Almost surely, 2^83812023 is an apocalyptic number.

83812023 is a deficient number, since it is larger than the sum of its proper divisors (54116937).

83812023 is a wasteful number, since it uses less digits than its factorization.

83812023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533 (or 510 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 83812023 is about 9154.8906601881. The cubic root of 83812023 is about 437.6249839378.

It can be divided in two parts, 8381 and 2023, that added together give a square (10404 = 102²).

The spelling of 83812023 in words is "eighty-three million, eight hundred twelve thousand, twenty-three".