20132123023 has 2 divisors, whose sum is σ = 20132123024. Its totient is φ = 20132123022.

The previous prime is 20132122937. The next prime is 20132123041. The reversal of 20132123023 is 32032123102.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20132123023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20132123423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10066061511 + 10066061512.

It is an arithmetic number, because the mean of its divisors is an integer number (10066061512).

Almost surely, 2^20132123023 is an apocalyptic number.

20132123023 is a deficient number, since it is larger than the sum of its proper divisors (1).

20132123023 is an equidigital number, since it uses as much as digits as its factorization.

20132123023 is an odious number, because the sum of its binary digits is odd.

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

Adding to 20132123023 its reverse (32032123102), we get a palindrome (52164246125).

The spelling of 20132123023 in words is "twenty billion, one hundred thirty-two million, one hundred twenty-three thousand, twenty-three".