1523412320 has 24 divisors (see below), whose sum is σ = 3599061984. Its totient is φ = 609364864.

The previous prime is 1523412307. The next prime is 1523412349. The reversal of 1523412320 is 232143251.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4760504 + ... + 4760823.

It is an arithmetic number, because the mean of its divisors is an integer number (149960916).

Almost surely, 2^1523412320 is an apocalyptic number.

1523412320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1523412320 is an abundant number, since it is smaller than the sum of its proper divisors (2075649664).

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

1523412320 is an equidigital number, since it uses as much as digits as its factorization.

1523412320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9521342 (or 9521334 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1523412320 is about 39030.9149265041. The cubic root of 1523412320 is about 1150.6391708325.

Adding to 1523412320 its reverse (232143251), we get a palindrome (1755555571).

The spelling of 1523412320 in words is "one billion, five hundred twenty-three million, four hundred twelve thousand, three hundred twenty".