20130323023 has 2 divisors, whose sum is σ = 20130323024. Its totient is φ = 20130323022.

The previous prime is 20130322997. The next prime is 20130323047. The reversal of 20130323023 is 32032303102.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20130323023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20130323093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10065161511 + 10065161512.

It is an arithmetic number, because the mean of its divisors is an integer number (10065161512).

Almost surely, 2^20130323023 is an apocalyptic number.

20130323023 is a deficient number, since it is larger than the sum of its proper divisors (1).

20130323023 is an equidigital number, since it uses as much as digits as its factorization.

20130323023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 20130323023 its reverse (32032303102), we get a palindrome (52162626125).

The spelling of 20130323023 in words is "twenty billion, one hundred thirty million, three hundred twenty-three thousand, twenty-three".