20232120542567 has 2 divisors, whose sum is σ = 20232120542568. Its totient is φ = 20232120542566.

The previous prime is 20232120542563. The next prime is 20232120542587. The reversal of 20232120542567 is 76524502123202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20232120542567 - 2² = 20232120542563 is a prime.

It is a super-4 number, since 4×20232120542567⁴ (a number of 54 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20232120542561) 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, 10116060271283 + 10116060271284.

It is an arithmetic number, because the mean of its divisors is an integer number (10116060271284).

Almost surely, 2^{20232120542567} is an apocalyptic number.

20232120542567 is a deficient number, since it is larger than the sum of its proper divisors (1).

20232120542567 is an equidigital number, since it uses as much as digits as its factorization.

20232120542567 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 403200, while the sum is 41.

Adding to 20232120542567 its reverse (76524502123202), we get a palindrome (96756622665769).

The spelling of 20232120542567 in words is "twenty trillion, two hundred thirty-two billion, one hundred twenty million, five hundred forty-two thousand, five hundred sixty-seven".