23545451144461 has 2 divisors, whose sum is σ = 23545451144462. Its totient is φ = 23545451144460.

The previous prime is 23545451144443. The next prime is 23545451144603. The reversal of 23545451144461 is 16444115454532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19074235168836 + 4471215975625 = 4367406^2 + 2114525^2 .

It is a cyclic number.

It is not a de Polignac number, because 23545451144461 - 2⁷ = 23545451144333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23545451244461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11772725572230 + 11772725572231.

It is an arithmetic number, because the mean of its divisors is an integer number (11772725572231).

Almost surely, 2^{23545451144461} is an apocalyptic number.

It is an amenable number.

23545451144461 is a deficient number, since it is larger than the sum of its proper divisors (1).

23545451144461 is an equidigital number, since it uses as much as digits as its factorization.

23545451144461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608000, while the sum is 49.

Adding to 23545451144461 its reverse (16444115454532), we get a palindrome (39989566598993).

The spelling of 23545451144461 in words is "twenty-three trillion, five hundred forty-five billion, four hundred fifty-one million, one hundred forty-four thousand, four hundred sixty-one".