1523040113 has 4 divisors (see below), whose sum is σ = 1740617280. Its totient is φ = 1305462948.

The previous prime is 1523040109. The next prime is 1523040143. The reversal of 1523040113 is 3110403251.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1523040113 - 2² = 1523040109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1523040143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108788573 + ... + 108788586.

It is an arithmetic number, because the mean of its divisors is an integer number (435154320).

Almost surely, 2^1523040113 is an apocalyptic number.

It is an amenable number.

1523040113 is a deficient number, since it is larger than the sum of its proper divisors (217577167).

1523040113 is an equidigital number, since it uses as much as digits as its factorization.

1523040113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217577166.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1523040113 is about 39026.1465302430. The cubic root of 1523040113 is about 1150.5454534079.

Adding to 1523040113 its reverse (3110403251), we get a palindrome (4633443364).

The spelling of 1523040113 in words is "one billion, five hundred twenty-three million, forty thousand, one hundred thirteen".