20123002323 has 24 divisors (see below), whose sum is σ = 30860301888. Its totient is φ = 12591758592.

The previous prime is 20123002321. The next prime is 20123002327. The reversal of 20123002323 is 32320032102.

It is a happy number.

20123002323 is a `hidden beast` number, since 201 + 230 + 0 + 232 + 3 = 666.

It is not a de Polignac number, because 20123002323 - 2¹ = 20123002321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20123002296 and 20123002305.

It is not an unprimeable number, because it can be changed into a prime (20123002321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 123036 + ... + 235337.

It is an arithmetic number, because the mean of its divisors is an integer number (1285845912).

Almost surely, 2^20123002323 is an apocalyptic number.

20123002323 is a deficient number, since it is larger than the sum of its proper divisors (10737299565).

20123002323 is a wasteful number, since it uses less digits than its factorization.

20123002323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358763 (or 358760 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 20123002323 its reverse (32320032102), we get a palindrome (52443034425).

The spelling of 20123002323 in words is "twenty billion, one hundred twenty-three million, two thousand, three hundred twenty-three".