23002406321 has 4 divisors (see below), whose sum is σ = 23039931252. Its totient is φ = 22964881392.

The previous prime is 23002406311. The next prime is 23002406327. The reversal of 23002406321 is 12360420032.

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 10314636721 + 12687769600 = 101561^2 + 112640^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23002406321 is a prime.

It is a super-2 number, since 2×23002406321² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23002406327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18761546 + ... + 18762771.

It is an arithmetic number, because the mean of its divisors is an integer number (5759982813).

Almost surely, 2^23002406321 is an apocalyptic number.

It is an amenable number.

23002406321 is a deficient number, since it is larger than the sum of its proper divisors (37524931).

23002406321 is an equidigital number, since it uses as much as digits as its factorization.

23002406321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37524930.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 23002406321 its reverse (12360420032), we get a palindrome (35362826353).

The spelling of 23002406321 in words is "twenty-three billion, two million, four hundred six thousand, three hundred twenty-one".