23145133411 has 2 divisors, whose sum is σ = 23145133412. Its totient is φ = 23145133410.

The previous prime is 23145133393. The next prime is 23145133433. The reversal of 23145133411 is 11433154132.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23145133411 is a prime.

It is a super-2 number, since 2×23145133411² (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 23145133411.

It is not a weakly prime, because it can be changed into another prime (23145133211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11572566705 + 11572566706.

It is an arithmetic number, because the mean of its divisors is an integer number (11572566706).

Almost surely, 2^23145133411 is an apocalyptic number.

23145133411 is a deficient number, since it is larger than the sum of its proper divisors (1).

23145133411 is an equidigital number, since it uses as much as digits as its factorization.

23145133411 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 28.

Adding to 23145133411 its reverse (11433154132), we get a palindrome (34578287543).

The spelling of 23145133411 in words is "twenty-three billion, one hundred forty-five million, one hundred thirty-three thousand, four hundred eleven".