23545023404401 has 16 divisors (see below), whose sum is σ = 23814543587328. Its totient is φ = 23276619475200.

The previous prime is 23545023404327. The next prime is 23545023404431. The reversal of 23545023404401 is 10440432054532.

It is a cyclic number.

It is not a de Polignac number, because 23545023404401 - 2³⁹ = 22995267590513 is a prime.

It is a super-2 number, since 2×23545023404401² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23545023404431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123441616 + ... + 123632206.

It is an arithmetic number, because the mean of its divisors is an integer number (1488408974208).

Almost surely, 2^{23545023404401} is an apocalyptic number.

It is an amenable number.

23545023404401 is a deficient number, since it is larger than the sum of its proper divisors (269520182927).

23545023404401 is a wasteful number, since it uses less digits than its factorization.

23545023404401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193512.

The product of its (nonzero) digits is 230400, while the sum is 37.

Adding to 23545023404401 its reverse (10440432054532), we get a palindrome (33985455458933).

The spelling of 23545023404401 in words is "twenty-three trillion, five hundred forty-five billion, twenty-three million, four hundred four thousand, four hundred one".