23121021314423 has 8 divisors (see below), whose sum is σ = 24483812902128. Its totient is φ = 21758533227904.

The previous prime is 23121021314383. The next prime is 23121021314437. The reversal of 23121021314423 is 32441312012132.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 23121021314423 - 2⁶ = 23121021314359 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 (23121021310423) 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, 75718436 + ... + 76023177.

It is an arithmetic number, because the mean of its divisors is an integer number (3060476612766).

Almost surely, 2^{23121021314423} is an apocalyptic number.

23121021314423 is a deficient number, since it is larger than the sum of its proper divisors (1362791587705).

23121021314423 is a wasteful number, since it uses less digits than its factorization.

23121021314423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151750593.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 23121021314423 its reverse (32441312012132), we get a palindrome (55562333326555).

The spelling of 23121021314423 in words is "twenty-three trillion, one hundred twenty-one billion, twenty-one million, three hundred fourteen thousand, four hundred twenty-three".