22451134523 has 2 divisors, whose sum is σ = 22451134524. Its totient is φ = 22451134522.

The previous prime is 22451134487. The next prime is 22451134543. The reversal of 22451134523 is 32543115422.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22451134523 - 2²⁴ = 22434357307 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22451134523.

It is not a weakly prime, because it can be changed into another prime (22451134543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11225567261 + 11225567262.

It is an arithmetic number, because the mean of its divisors is an integer number (11225567262).

Almost surely, 2^22451134523 is an apocalyptic number.

22451134523 is a deficient number, since it is larger than the sum of its proper divisors (1).

22451134523 is an equidigital number, since it uses as much as digits as its factorization.

22451134523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28800, while the sum is 32.

Adding to 22451134523 its reverse (32543115422), we get a palindrome (54994249945).

The spelling of 22451134523 in words is "twenty-two billion, four hundred fifty-one million, one hundred thirty-four thousand, five hundred twenty-three".