20302231123 has 8 divisors (see below), whose sum is σ = 21186939168. Its totient is φ = 19417689984.

The previous prime is 20302231067. The next prime is 20302231127. The reversal of 20302231123 is 32113220302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20302231123 - 2²⁵ = 20268676691 is a prime.

It is a super-2 number, since 2×20302231123² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20302231123.

It is not an unprimeable number, because it can be changed into a prime (20302231127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250461 + ... + 321457.

It is an arithmetic number, because the mean of its divisors is an integer number (2648367396).

Almost surely, 2^20302231123 is an apocalyptic number.

20302231123 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20302231123 is a deficient number, since it is larger than the sum of its proper divisors (884708045).

20302231123 is a wasteful number, since it uses less digits than its factorization.

20302231123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83453.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20302231123 its reverse (32113220302), we get a palindrome (52415451425).

The spelling of 20302231123 in words is "twenty billion, three hundred two million, two hundred thirty-one thousand, one hundred twenty-three".