1534540323 has 16 divisors (see below), whose sum is σ = 2087824896. Its totient is φ = 1002200160.

The previous prime is 1534540283. The next prime is 1534540349. The reversal of 1534540323 is 3230454351.

It is not a de Polignac number, because 1534540323 - 2¹⁰ = 1534539299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1534540223) 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, 102886 + ... + 116852.

It is an arithmetic number, because the mean of its divisors is an integer number (130489056).

Almost surely, 2^1534540323 is an apocalyptic number.

1534540323 is a deficient number, since it is larger than the sum of its proper divisors (553284573).

1534540323 is a wasteful number, since it uses less digits than its factorization.

1534540323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14714.

The product of its (nonzero) digits is 21600, while the sum is 30.

The square root of 1534540323 is about 39173.2092507111. The cubic root of 1534540323 is about 1153.4340510812.

Adding to 1534540323 its reverse (3230454351), we get a palindrome (4764994674).

The spelling of 1534540323 in words is "one billion, five hundred thirty-four million, five hundred forty thousand, three hundred twenty-three".