20231011 has 2 divisors, whose sum is σ = 20231012. Its totient is φ = 20231010.

The previous prime is 20230997. The next prime is 20231017. The reversal of 20231011 is 11013202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20231011 - 2⁷ = 20230883 is a prime.

It is not a weakly prime, because it can be changed into another prime (20231017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10115505 + 10115506.

It is an arithmetic number, because the mean of its divisors is an integer number (10115506).

Almost surely, 2^20231011 is an apocalyptic number.

20231011 is a deficient number, since it is larger than the sum of its proper divisors (1).

20231011 is an equidigital number, since it uses as much as digits as its factorization.

20231011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 20231011 is about 4497.8896162534. The cubic root of 20231011 is about 272.4828640011.

Adding to 20231011 its reverse (11013202), we get a palindrome (31244213).

It can be divided in two parts, 2023 and 1011, that multiplied together give a triangular number (2045253 = T₂₀₂₂).

The spelling of 20231011 in words is "twenty million, two hundred thirty-one thousand, eleven".