23003401331 has 4 divisors (see below), whose sum is σ = 23003714112. Its totient is φ = 23003088552.

The previous prime is 23003401319. The next prime is 23003401339. The reversal of 23003401331 is 13310430032.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23003401331 is a prime.

It is a super-2 number, since 2×23003401331² (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 (23003401339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20990 + ... + 215516.

It is an arithmetic number, because the mean of its divisors is an integer number (5750928528).

Almost surely, 2^23003401331 is an apocalyptic number.

23003401331 is a deficient number, since it is larger than the sum of its proper divisors (312781).

23003401331 is a wasteful number, since it uses less digits than its factorization.

23003401331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312780.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 23003401331 its reverse (13310430032), we get a palindrome (36313831363).

The spelling of 23003401331 in words is "twenty-three billion, three million, four hundred one thousand, three hundred thirty-one".