84813023 has 4 divisors (see below), whose sum is σ = 87737640. Its totient is φ = 81888408.

The previous prime is 84813007. The next prime is 84813037. The reversal of 84813023 is 32031848.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 84813023 - 2⁴ = 84813007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 2924587 = 84813023 / (8 + 4 + 8 + 1 + 3 + 0 + 2 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84813073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1462265 + ... + 1462322.

It is an arithmetic number, because the mean of its divisors is an integer number (21934410).

Almost surely, 2^84813023 is an apocalyptic number.

84813023 is a deficient number, since it is larger than the sum of its proper divisors (2924617).

84813023 is a wasteful number, since it uses less digits than its factorization.

84813023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2924616.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 84813023 is about 9209.3986231458. The cubic root of 84813023 is about 439.3603360147.

The spelling of 84813023 in words is "eighty-four million, eight hundred thirteen thousand, twenty-three".