23067572443 has 2 divisors, whose sum is σ = 23067572444. Its totient is φ = 23067572442.

The previous prime is 23067572431. The next prime is 23067572447. The reversal of 23067572443 is 34427576032.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23067572443 is a prime.

It is a super-2 number, since 2×23067572443² (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 23067572443.

It is not a weakly prime, because it can be changed into another prime (23067572447) 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, 11533786221 + 11533786222.

It is an arithmetic number, because the mean of its divisors is an integer number (11533786222).

Almost surely, 2^23067572443 is an apocalyptic number.

23067572443 is a deficient number, since it is larger than the sum of its proper divisors (1).

23067572443 is an equidigital number, since it uses as much as digits as its factorization.

23067572443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 846720, while the sum is 43.

The spelling of 23067572443 in words is "twenty-three billion, sixty-seven million, five hundred seventy-two thousand, four hundred forty-three".