2120201231023 has 2 divisors, whose sum is σ = 2120201231024. Its totient is φ = 2120201231022.

The previous prime is 2120201231017. The next prime is 2120201231053. The reversal of 2120201231023 is 3201321020212.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2120201231023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2120201231053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060100615511 + 1060100615512.

It is an arithmetic number, because the mean of its divisors is an integer number (1060100615512).

Almost surely, 2^{2120201231023} is an apocalyptic number.

2120201231023 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120201231023 is an equidigital number, since it uses as much as digits as its factorization.

2120201231023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 2120201231023 its reverse (3201321020212), we get a palindrome (5321522251235).

The spelling of 2120201231023 in words is "two trillion, one hundred twenty billion, two hundred one million, two hundred thirty-one thousand, twenty-three".