23357442443 has 2 divisors, whose sum is σ = 23357442444. Its totient is φ = 23357442442.

The previous prime is 23357442439. The next prime is 23357442457. The reversal of 23357442443 is 34424475332.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23357442443 - 2² = 23357442439 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23357442443.

It is not a weakly prime, because it can be changed into another prime (23357442403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11678721221 + 11678721222.

It is an arithmetic number, because the mean of its divisors is an integer number (11678721222).

Almost surely, 2^23357442443 is an apocalyptic number.

23357442443 is a deficient number, since it is larger than the sum of its proper divisors (1).

23357442443 is an equidigital number, since it uses as much as digits as its factorization.

23357442443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 967680, while the sum is 41.

The spelling of 23357442443 in words is "twenty-three billion, three hundred fifty-seven million, four hundred forty-two thousand, four hundred forty-three".