23442351547 has 2 divisors, whose sum is σ = 23442351548. Its totient is φ = 23442351546.

The previous prime is 23442351503. The next prime is 23442351551. The reversal of 23442351547 is 74515324432.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23442351547 - 2⁷ = 23442351419 is a prime.

It is not a weakly prime, because it can be changed into another prime (23442351577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11721175773 + 11721175774.

It is an arithmetic number, because the mean of its divisors is an integer number (11721175774).

Almost surely, 2^23442351547 is an apocalyptic number.

23442351547 is a deficient number, since it is larger than the sum of its proper divisors (1).

23442351547 is an equidigital number, since it uses as much as digits as its factorization.

23442351547 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 403200, while the sum is 40.

Adding to 23442351547 its reverse (74515324432), we get a palindrome (97957675979).

The spelling of 23442351547 in words is "twenty-three billion, four hundred forty-two million, three hundred fifty-one thousand, five hundred forty-seven".