30523421403 has 10 divisors (see below), whose sum is σ = 45596716044. Its totient is φ = 20348947548.

The previous prime is 30523421333. The next prime is 30523421437. The reversal of 30523421403 is 30412432503.

30523421403 is a `hidden beast` number, since 3 + 0 + 5 + 234 + 21 + 403 = 666.

It is not a de Polignac number, because 30523421403 - 2²⁶ = 30456312539 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (30523421603) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 188416101 + ... + 188416262.

Almost surely, 2^30523421403 is an apocalyptic number.

30523421403 is a deficient number, since it is larger than the sum of its proper divisors (15073294641).

30523421403 is an equidigital number, since it uses as much as digits as its factorization.

30523421403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376832375 (or 376832366 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

Adding to 30523421403 its reverse (30412432503), we get a palindrome (60935853906).

The spelling of 30523421403 in words is "thirty billion, five hundred twenty-three million, four hundred twenty-one thousand, four hundred three".