20453540033023 has 2 divisors, whose sum is σ = 20453540033024. Its totient is φ = 20453540033022.

The previous prime is 20453540032997. The next prime is 20453540033033. The reversal of 20453540033023 is 32033004535402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20453540033023 - 2¹³ = 20453540024831 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20453540033023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20453540033033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10226770016511 + 10226770016512.

It is an arithmetic number, because the mean of its divisors is an integer number (10226770016512).

Almost surely, 2^{20453540033023} is an apocalyptic number.

20453540033023 is a deficient number, since it is larger than the sum of its proper divisors (1).

20453540033023 is an equidigital number, since it uses as much as digits as its factorization.

20453540033023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129600, while the sum is 34.

Adding to 20453540033023 its reverse (32033004535402), we get a palindrome (52486544568425).

The spelling of 20453540033023 in words is "twenty trillion, four hundred fifty-three billion, five hundred forty million, thirty-three thousand, twenty-three".