20130322023 has 24 divisors (see below), whose sum is σ = 33256922400. Its totient is φ = 11494070784.

The previous prime is 20130322007. The next prime is 20130322031. The reversal of 20130322023 is 32022303102.

It is a happy number.

It is not a de Polignac number, because 20130322023 - 2⁴ = 20130322007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20130321987 and 20130322005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20130323023) 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, 42738 + ... + 205151.

It is an arithmetic number, because the mean of its divisors is an integer number (1385705100).

Almost surely, 2^20130322023 is an apocalyptic number.

20130322023 is a deficient number, since it is larger than the sum of its proper divisors (13126600377).

20130322023 is a wasteful number, since it uses less digits than its factorization.

20130322023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249191 (or 249188 counting only the distinct ones).

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

Adding to 20130322023 its reverse (32022303102), we get a palindrome (52152625125).

The spelling of 20130322023 in words is "twenty billion, one hundred thirty million, three hundred twenty-two thousand, twenty-three".