23123030312221 has 8 divisors (see below), whose sum is σ = 26426394544320. Its totient is φ = 19819684627008.

The previous prime is 23123030312167. The next prime is 23123030312233. The reversal of 23123030312221 is 12221303032132.

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

It is not a de Polignac number, because 23123030312221 - 2⁷ = 23123030312093 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 (23123030312021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1853791 + ... + 7048588.

It is an arithmetic number, because the mean of its divisors is an integer number (3303299318040).

Almost surely, 2^{23123030312221} is an apocalyptic number.

It is an amenable number.

23123030312221 is a deficient number, since it is larger than the sum of its proper divisors (3303364232099).

23123030312221 is an equidigital number, since it uses as much as digits as its factorization.

23123030312221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9273443.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 23123030312221 its reverse (12221303032132), we get a palindrome (35344333344353).

The spelling of 23123030312221 in words is "twenty-three trillion, one hundred twenty-three billion, thirty million, three hundred twelve thousand, two hundred twenty-one".