1529531423 has 12 divisors (see below), whose sum is σ = 1782285120. Its totient is φ = 1308791232.

The previous prime is 1529531359. The next prime is 1529531447. The reversal of 1529531423 is 3241359251.

It is not a de Polignac number, because 1529531423 - 2⁶ = 1529531359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1529531473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2738 + ... + 55376.

It is an arithmetic number, because the mean of its divisors is an integer number (148523760).

Almost surely, 2^1529531423 is an apocalyptic number.

1529531423 is a deficient number, since it is larger than the sum of its proper divisors (252753697).

1529531423 is an equidigital number, since it uses as much as digits as its factorization.

1529531423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53246 (or 53239 counting only the distinct ones).

The product of its digits is 32400, while the sum is 35.

The square root of 1529531423 is about 39109.2242699852. The cubic root of 1529531423 is about 1152.1777067095.

The spelling of 1529531423 in words is "one billion, five hundred twenty-nine million, five hundred thirty-one thousand, four hundred twenty-three".