1532415423 has 32 divisors (see below), whose sum is σ = 2550431232. Its totient is φ = 795110400.

The previous prime is 1532415407. The next prime is 1532415427. The reversal of 1532415423 is 3245142351.

It is not a de Polignac number, because 1532415423 - 2⁴ = 1532415407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1532415427) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 216663 + ... + 223623.

It is an arithmetic number, because the mean of its divisors is an integer number (79700976).

Almost surely, 2^1532415423 is an apocalyptic number.

1532415423 is a deficient number, since it is larger than the sum of its proper divisors (1018015809).

1532415423 is a wasteful number, since it uses less digits than its factorization.

1532415423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7935.

The product of its digits is 14400, while the sum is 30.

The square root of 1532415423 is about 39146.0780027834. The cubic root of 1532415423 is about 1152.9014129290.

Adding to 1532415423 its reverse (3245142351), we get a palindrome (4777557774).

The spelling of 1532415423 in words is "one billion, five hundred thirty-two million, four hundred fifteen thousand, four hundred twenty-three".