23345111151889 has 2 divisors, whose sum is σ = 23345111151890. Its totient is φ = 23345111151888.

The previous prime is 23345111151881. The next prime is 23345111151911. The reversal of 23345111151889 is 98815111154332.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16808089454289 + 6537021697600 = 4099767^2 + 2556760^2 .

It is a cyclic number.

It is not a de Polignac number, because 23345111151889 - 2³ = 23345111151881 is a prime.

It is not a weakly prime, because it can be changed into another prime (23345111151881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11672555575944 + 11672555575945.

It is an arithmetic number, because the mean of its divisors is an integer number (11672555575945).

Almost surely, 2^{23345111151889} is an apocalyptic number.

It is an amenable number.

23345111151889 is a deficient number, since it is larger than the sum of its proper divisors (1).

23345111151889 is an equidigital number, since it uses as much as digits as its factorization.

23345111151889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1036800, while the sum is 52.

The spelling of 23345111151889 in words is "twenty-three trillion, three hundred forty-five billion, one hundred eleven million, one hundred fifty-one thousand, eight hundred eighty-nine".