191852023 has 16 divisors (see below), whose sum is σ = 218649600. Its totient is φ = 166733280.

The previous prime is 191851981. The next prime is 191852041. The reversal of 191852023 is 320258191.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-191852023 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 (191652023) 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, 29938 + ... + 35776.

It is an arithmetic number, because the mean of its divisors is an integer number (13665600).

Almost surely, 2^191852023 is an apocalyptic number.

191852023 is a deficient number, since it is larger than the sum of its proper divisors (26797577).

191852023 is a wasteful number, since it uses less digits than its factorization.

191852023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5982.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 191852023 is about 13851.0657712683. The cubic root of 191852023 is about 576.7515818614.

The spelling of 191852023 in words is "one hundred ninety-one million, eight hundred fifty-two thousand, twenty-three".