23421003243031 has 4 divisors (see below), whose sum is σ = 23421246596064. Its totient is φ = 23420759890000.

The previous prime is 23421003242993. The next prime is 23421003243097. The reversal of 23421003243031 is 13034230012432.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23421003243031 - 2²⁹ = 23420466372119 is a prime.

It is a super-2 number, since 2×23421003243031² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23421063243031) 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, 121532095 + ... + 121724656.

It is an arithmetic number, because the mean of its divisors is an integer number (5855311649016).

Almost surely, 2^{23421003243031} is an apocalyptic number.

23421003243031 is a deficient number, since it is larger than the sum of its proper divisors (243353033).

23421003243031 is an equidigital number, since it uses as much as digits as its factorization.

23421003243031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243353032.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 23421003243031 its reverse (13034230012432), we get a palindrome (36455233255463).

The spelling of 23421003243031 in words is "twenty-three trillion, four hundred twenty-one billion, three million, two hundred forty-three thousand, thirty-one".