23522454143 has 4 divisors (see below), whose sum is σ = 23730617568. Its totient is φ = 23314290720.

The previous prime is 23522454091. The next prime is 23522454167. The reversal of 23522454143 is 34145422532.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23522454143 - 2⁸ = 23522453887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23522454343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104081543 + ... + 104081768.

It is an arithmetic number, because the mean of its divisors is an integer number (5932654392).

Almost surely, 2^23522454143 is an apocalyptic number.

23522454143 is a deficient number, since it is larger than the sum of its proper divisors (208163425).

23522454143 is a wasteful number, since it uses less digits than its factorization.

23522454143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208163424.

The product of its digits is 115200, while the sum is 35.

Adding to 23522454143 its reverse (34145422532), we get a palindrome (57667876675).

The spelling of 23522454143 in words is "twenty-three billion, five hundred twenty-two million, four hundred fifty-four thousand, one hundred forty-three".