23331244421 has 8 divisors (see below), whose sum is σ = 23647112664. Its totient is φ = 23016913920.

The previous prime is 23331244399. The next prime is 23331244423. The reversal of 23331244421 is 12444213332.

It can be written as a sum of positive squares in 4 ways, for example, as 193488100 + 23137756321 = 13910^2 + 152111^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23331244421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23331244423) 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 7 ways as a sum of consecutive naturals, for example, 353870 + ... + 414591.

It is an arithmetic number, because the mean of its divisors is an integer number (2955889083).

Almost surely, 2^23331244421 is an apocalyptic number.

It is an amenable number.

23331244421 is a deficient number, since it is larger than the sum of its proper divisors (315868243).

23331244421 is an equidigital number, since it uses as much as digits as its factorization.

23331244421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768871.

The product of its digits is 13824, while the sum is 29.

Adding to 23331244421 its reverse (12444213332), we get a palindrome (35775457753).

The spelling of 23331244421 in words is "twenty-three billion, three hundred thirty-one million, two hundred forty-four thousand, four hundred twenty-one".