85629023 has 4 divisors (see below), whose sum is σ = 89352048. Its totient is φ = 81906000.

The previous prime is 85629013. The next prime is 85629031. The reversal of 85629023 is 32092658.

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 85629023 - 2⁴ = 85629007 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 (85629013) 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, 1861478 + ... + 1861523.

It is an arithmetic number, because the mean of its divisors is an integer number (22338012).

Almost surely, 2^85629023 is an apocalyptic number.

85629023 is a deficient number, since it is larger than the sum of its proper divisors (3723025).

85629023 is a wasteful number, since it uses less digits than its factorization.

85629023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3723024.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 85629023 is about 9253.5951391878. The cubic root of 85629023 is about 440.7648937158.

The spelling of 85629023 in words is "eighty-five million, six hundred twenty-nine thousand, twenty-three".