531051423 has 16 divisors (see below), whose sum is σ = 856823040. Its totient is φ = 285607296.

The previous prime is 531051403. The next prime is 531051427. The reversal of 531051423 is 324150135.

It is not a de Polignac number, because 531051423 - 2¹² = 531047327 is a prime.

It is a super-2 number, since 2×531051423² = 564031227740649858, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 531051393 and 531051402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531051427) 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, 743413 + ... + 744126.

It is an arithmetic number, because the mean of its divisors is an integer number (53551440).

Almost surely, 2^531051423 is an apocalyptic number.

531051423 is a deficient number, since it is larger than the sum of its proper divisors (325771617).

531051423 is a wasteful number, since it uses less digits than its factorization.

531051423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1487566.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 531051423 is about 23044.5530006551. The cubic root of 531051423 is about 809.8020259956.

The spelling of 531051423 in words is "five hundred thirty-one million, fifty-one thousand, four hundred twenty-three".