845034023 has 4 divisors (see below), whose sum is σ = 845102640. Its totient is φ = 844965408.

The previous prime is 845034019. The next prime is 845034031. The reversal of 845034023 is 320430548.

845034023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 845034023 - 2² = 845034019 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 (845034013) 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, 10178 + ... + 42351.

It is an arithmetic number, because the mean of its divisors is an integer number (211275660).

Almost surely, 2^845034023 is an apocalyptic number.

845034023 is a deficient number, since it is larger than the sum of its proper divisors (68617).

845034023 is a wasteful number, since it uses less digits than its factorization.

845034023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68616.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 845034023 is about 29069.4689149974. The cubic root of 845034023 is about 945.4198830232.

The spelling of 845034023 in words is "eight hundred forty-five million, thirty-four thousand, twenty-three".