1523340012 has 48 divisors (see below), whose sum is σ = 3766301280. Its totient is φ = 477560832.

The previous prime is 1523339977. The next prime is 1523340017. The reversal of 1523340012 is 2100433251.

1523340012 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1523340017) 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, 547168 + ... + 549944.

It is an arithmetic number, because the mean of its divisors is an integer number (78464610).

Almost surely, 2^1523340012 is an apocalyptic number.

1523340012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1523340012 is an abundant number, since it is smaller than the sum of its proper divisors (2242961268).

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

1523340012 is a wasteful number, since it uses less digits than its factorization.

1523340012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5490 (or 5488 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1523340012 is about 39029.9886241336. The cubic root of 1523340012 is about 1150.6209657079.

Adding to 1523340012 its reverse (2100433251), we get a palindrome (3623773263).

The spelling of 1523340012 in words is "one billion, five hundred twenty-three million, three hundred forty thousand, twelve".