1523230506 has 24 divisors (see below), whose sum is σ = 3771809184. Its totient is φ = 435208680.

The previous prime is 1523230439. The next prime is 1523230517. The reversal of 1523230506 is 6050323251.

1523230506 is a `hidden beast` number, since 152 + 3 + 2 + 3 + 0 + 506 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1523230506.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6044440 + ... + 6044691.

It is an arithmetic number, because the mean of its divisors is an integer number (157158716).

Almost surely, 2^1523230506 is an apocalyptic number.

1523230506 is an abundant number, since it is smaller than the sum of its proper divisors (2248578678).

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

1523230506 is a wasteful number, since it uses less digits than its factorization.

1523230506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12089146 (or 12089143 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 1523230506 is about 39028.5857545466. The cubic root of 1523230506 is about 1150.5933940741.

Adding to 1523230506 its reverse (6050323251), we get a palindrome (7573553757).

The spelling of 1523230506 in words is "one billion, five hundred twenty-three million, two hundred thirty thousand, five hundred six".