20323111230 has 48 divisors (see below), whose sum is σ = 52863670080. Its totient is φ = 5417077824.

The previous prime is 20323111219. The next prime is 20323111253. The reversal of 20323111230 is 3211132302.

20323111230 is a `hidden beast` number, since 2 + 0 + 323 + 111 + 230 = 666.

It is a super-2 number, since 2×20323111230² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 157131 + ... + 255609.

It is an arithmetic number, because the mean of its divisors is an integer number (1101326460).

Almost surely, 2^20323111230 is an apocalyptic number.

20323111230 is an abundant number, since it is smaller than the sum of its proper divisors (32540558850).

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

20323111230 is a wasteful number, since it uses less digits than its factorization.

20323111230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100785 (or 100782 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 20323111230 its reverse (3211132302), we get a palindrome (23534243532).

The spelling of 20323111230 in words is "twenty billion, three hundred twenty-three million, one hundred eleven thousand, two hundred thirty".