23304121321 has 12 divisors (see below), whose sum is σ = 25238953740. Its totient is φ = 21507819840.

The previous prime is 23304121307. The next prime is 23304121367. The reversal of 23304121321 is 12312140332.

It can be written as a sum of positive squares in 6 ways, for example, as 1906282921 + 21397838400 = 43661^2 + 146280^2 .

It is not a de Polignac number, because 23304121321 - 2¹⁵ = 23304088553 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23304121292 and 23304121301.

It is not an unprimeable number, because it can be changed into a prime (23304121721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1816951 + ... + 1829731.

It is an arithmetic number, because the mean of its divisors is an integer number (2103246145).

Almost surely, 2^23304121321 is an apocalyptic number.

It is an amenable number.

23304121321 is a deficient number, since it is larger than the sum of its proper divisors (1934832419).

23304121321 is a wasteful number, since it uses less digits than its factorization.

23304121321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23596 (or 23583 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 23304121321 its reverse (12312140332), we get a palindrome (35616261653).

The spelling of 23304121321 in words is "twenty-three billion, three hundred four million, one hundred twenty-one thousand, three hundred twenty-one".