23223150323421 has 4 divisors (see below), whose sum is σ = 30964200431232. Its totient is φ = 15482100215612.

The previous prime is 23223150323389. The next prime is 23223150323437. The reversal of 23223150323421 is 12432305132232.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23223150323421 - 2⁵ = 23223150323389 is a prime.

It is a super-2 number, since 2×23223150323421² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23223150323621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3870525053901 + ... + 3870525053906.

It is an arithmetic number, because the mean of its divisors is an integer number (7741050107808).

Almost surely, 2^{23223150323421} is an apocalyptic number.

It is an amenable number.

23223150323421 is a deficient number, since it is larger than the sum of its proper divisors (7741050107811).

23223150323421 is an equidigital number, since it uses as much as digits as its factorization.

23223150323421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7741050107810.

The product of its (nonzero) digits is 51840, while the sum is 33.

Adding to 23223150323421 its reverse (12432305132232), we get a palindrome (35655455455653).

The spelling of 23223150323421 in words is "twenty-three trillion, two hundred twenty-three billion, one hundred fifty million, three hundred twenty-three thousand, four hundred twenty-one".