23123303011 has 2 divisors, whose sum is σ = 23123303012. Its totient is φ = 23123303010.

The previous prime is 23123302991. The next prime is 23123303029. The reversal of 23123303011 is 11030332132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23123303011 - 2¹³ = 23123294819 is a prime.

It is a super-2 number, since 2×23123303011² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23123303011.

It is not a weakly prime, because it can be changed into another prime (23123303111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11561651505 + 11561651506.

It is an arithmetic number, because the mean of its divisors is an integer number (11561651506).

Almost surely, 2^23123303011 is an apocalyptic number.

23123303011 is a deficient number, since it is larger than the sum of its proper divisors (1).

23123303011 is an equidigital number, since it uses as much as digits as its factorization.

23123303011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 23123303011 its reverse (11030332132), we get a palindrome (34153635143).

The spelling of 23123303011 in words is "twenty-three billion, one hundred twenty-three million, three hundred three thousand, eleven".