23545405243353 has 16 divisors (see below), whose sum is σ = 36093555348480. Its totient is φ = 13373951308176.

The previous prime is 23545405243253. The next prime is 23545405243363. The reversal of 23545405243353 is 35334250454532.

It is a happy number.

It is not a de Polignac number, because 23545405243353 - 2¹⁰ = 23545405242329 is a prime.

It is a super-2 number, since 2×23545405243353² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23545405243363) 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, 3356911983 + ... + 3356918996.

It is an arithmetic number, because the mean of its divisors is an integer number (2255847209280).

Almost surely, 2^{23545405243353} is an apocalyptic number.

It is an amenable number.

23545405243353 is a deficient number, since it is larger than the sum of its proper divisors (12548150105127).

23545405243353 is a wasteful number, since it uses less digits than its factorization.

23545405243353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6713831156.

The product of its (nonzero) digits is 12960000, while the sum is 48.

Adding to 23545405243353 its reverse (35334250454532), we get a palindrome (58879655697885).

The spelling of 23545405243353 in words is "twenty-three trillion, five hundred forty-five billion, four hundred five million, two hundred forty-three thousand, three hundred fifty-three".