20231000011 has 2 divisors, whose sum is σ = 20231000012. Its totient is φ = 20231000010.

The previous prime is 20231000003. The next prime is 20231000029. The reversal of 20231000011 is 11000013202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20231000011 - 2³ = 20231000003 is a prime.

It is a super-2 number, since 2×20231000011² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20231100011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10115500005 + 10115500006.

It is an arithmetic number, because the mean of its divisors is an integer number (10115500006).

Almost surely, 2^20231000011 is an apocalyptic number.

20231000011 is a deficient number, since it is larger than the sum of its proper divisors (1).

20231000011 is an equidigital number, since it uses as much as digits as its factorization.

20231000011 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.

Adding to 20231000011 its reverse (11000013202), we get a palindrome (31231013213).

The spelling of 20231000011 in words is "twenty billion, two hundred thirty-one million, eleven", and thus it is an aban number.