531650423 has 4 divisors (see below), whose sum is σ = 536355408. Its totient is φ = 526945440.

The previous prime is 531650407. The next prime is 531650437. The reversal of 531650423 is 324056135.

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 531650423 - 2⁴ = 531650407 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 (531650453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2352323 + ... + 2352548.

It is an arithmetic number, because the mean of its divisors is an integer number (134088852).

Almost surely, 2^531650423 is an apocalyptic number.

531650423 is a deficient number, since it is larger than the sum of its proper divisors (4704985).

531650423 is a wasteful number, since it uses less digits than its factorization.

531650423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4704984.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 531650423 is about 23057.5459015048. The cubic root of 531650423 is about 810.1063839339.

The spelling of 531650423 in words is "five hundred thirty-one million, six hundred fifty thousand, four hundred twenty-three".