1523316642 has 16 divisors (see below), whose sum is σ = 3060057312. Its totient is φ = 505534880.

The previous prime is 1523316607. The next prime is 1523316689. The reversal of 1523316642 is 2466133251.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 557859 + ... + 560582.

It is an arithmetic number, because the mean of its divisors is an integer number (191253582).

Almost surely, 2^1523316642 is an apocalyptic number.

1523316642 is an abundant number, since it is smaller than the sum of its proper divisors (1536740670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1523316642 is a wasteful number, since it uses less digits than its factorization.

1523316642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1118673.

The product of its digits is 25920, while the sum is 33.

The square root of 1523316642 is about 39029.6892378097. The cubic root of 1523316642 is about 1150.6150816747.

Adding to 1523316642 its reverse (2466133251), we get a palindrome (3989449893).

The spelling of 1523316642 in words is "one billion, five hundred twenty-three million, three hundred sixteen thousand, six hundred forty-two".