534949823 has 4 divisors (see below), whose sum is σ = 535017240. Its totient is φ = 534882408.

The previous prime is 534949787. The next prime is 534949841. The reversal of 534949823 is 328949435.

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 534949823 - 2⁶ = 534949759 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 (534949853) 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, 19928 + ... + 38301.

It is an arithmetic number, because the mean of its divisors is an integer number (133754310).

Almost surely, 2^534949823 is an apocalyptic number.

534949823 is a deficient number, since it is larger than the sum of its proper divisors (67417).

534949823 is an equidigital number, since it uses as much as digits as its factorization.

534949823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67416.

The product of its digits is 933120, while the sum is 47.

The square root of 534949823 is about 23128.9823165655. The cubic root of 534949823 is about 811.7787577619.

The spelling of 534949823 in words is "five hundred thirty-four million, nine hundred forty-nine thousand, eight hundred twenty-three".