23345524202321 has 4 divisors (see below), whose sum is σ = 23466485467812. Its totient is φ = 23224562936832.

The previous prime is 23345524202317. The next prime is 23345524202353. The reversal of 23345524202321 is 12320242554332.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 15415870953025 + 7929653249296 = 3926305^2 + 2815964^2 .

It is a cyclic number.

It is not a de Polignac number, because 23345524202321 - 2² = 23345524202317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23345524202381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60480632456 + ... + 60480632841.

It is an arithmetic number, because the mean of its divisors is an integer number (5866621366953).

Almost surely, 2^{23345524202321} is an apocalyptic number.

It is an amenable number.

23345524202321 is a deficient number, since it is larger than the sum of its proper divisors (120961265491).

23345524202321 is a wasteful number, since it uses less digits than its factorization.

23345524202321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120961265490.

The product of its (nonzero) digits is 345600, while the sum is 38.

Adding to 23345524202321 its reverse (12320242554332), we get a palindrome (35665766756653).

The spelling of 23345524202321 in words is "twenty-three trillion, three hundred forty-five billion, five hundred twenty-four million, two hundred two thousand, three hundred twenty-one".