20523055313023 has 2 divisors, whose sum is σ = 20523055313024. Its totient is φ = 20523055313022.

The previous prime is 20523055313003. The next prime is 20523055313039. The reversal of 20523055313023 is 32031355032502.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20523055313023 - 2³³ = 20514465378431 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20523055313023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20523055313003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10261527656511 + 10261527656512.

It is an arithmetic number, because the mean of its divisors is an integer number (10261527656512).

Almost surely, 2^{20523055313023} is an apocalyptic number.

20523055313023 is a deficient number, since it is larger than the sum of its proper divisors (1).

20523055313023 is an equidigital number, since it uses as much as digits as its factorization.

20523055313023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81000, while the sum is 34.

The spelling of 20523055313023 in words is "twenty trillion, five hundred twenty-three billion, fifty-five million, three hundred thirteen thousand, twenty-three".