23030302321 has 4 divisors (see below), whose sum is σ = 24801864052. Its totient is φ = 21258740592.

The previous prime is 23030302319. The next prime is 23030302333. The reversal of 23030302321 is 12320303032.

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 14826471696 + 8203830625 = 121764^2 + 90575^2 .

It is a cyclic number.

It is not a de Polignac number, because 23030302321 - 2¹ = 23030302319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23030302391) 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, 885780846 + ... + 885780871.

It is an arithmetic number, because the mean of its divisors is an integer number (6200466013).

Almost surely, 2^23030302321 is an apocalyptic number.

It is an amenable number.

23030302321 is a deficient number, since it is larger than the sum of its proper divisors (1771561731).

23030302321 is a wasteful number, since it uses less digits than its factorization.

23030302321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1771561730.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 23030302321 its reverse (12320303032), we get a palindrome (35350605353).

The spelling of 23030302321 in words is "twenty-three billion, thirty million, three hundred two thousand, three hundred twenty-one".