23641145443 has 2 divisors, whose sum is σ = 23641145444. Its totient is φ = 23641145442.

The previous prime is 23641145417. The next prime is 23641145461. The reversal of 23641145443 is 34454114632.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23641145443 - 2¹³ = 23641137251 is a prime.

It is not a weakly prime, because it can be changed into another prime (23641145413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11820572721 + 11820572722.

It is an arithmetic number, because the mean of its divisors is an integer number (11820572722).

Almost surely, 2^23641145443 is an apocalyptic number.

23641145443 is a deficient number, since it is larger than the sum of its proper divisors (1).

23641145443 is an equidigital number, since it uses as much as digits as its factorization.

23641145443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 138240, while the sum is 37.

The spelling of 23641145443 in words is "twenty-three billion, six hundred forty-one million, one hundred forty-five thousand, four hundred forty-three".