30423201523 has 16 divisors (see below), whose sum is σ = 35748238176. Its totient is φ = 25525463040.

The previous prime is 30423201511. The next prime is 30423201553. The reversal of 30423201523 is 32510232403.

It is not a de Polignac number, because 30423201523 - 2⁵ = 30423201491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30423201503) 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, 982465 + ... + 1012957.

It is an arithmetic number, because the mean of its divisors is an integer number (2234264886).

Almost surely, 2^30423201523 is an apocalyptic number.

30423201523 is a deficient number, since it is larger than the sum of its proper divisors (5325036653).

30423201523 is a wasteful number, since it uses less digits than its factorization.

30423201523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37494.

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 30423201523 its reverse (32510232403), we get a palindrome (62933433926).

The spelling of 30423201523 in words is "thirty billion, four hundred twenty-three million, two hundred one thousand, five hundred twenty-three".