23121543255254 has 8 divisors (see below), whose sum is σ = 35336698182720. Its totient is φ = 11342643861016.

The previous prime is 23121543255241. The next prime is 23121543255287. The reversal of 23121543255254 is 45255234512132.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109063883174 + ... + 109063883385.

It is an arithmetic number, because the mean of its divisors is an integer number (4417087272840).

Almost surely, 2^{23121543255254} is an apocalyptic number.

23121543255254 is a deficient number, since it is larger than the sum of its proper divisors (12215154927466).

23121543255254 is a wasteful number, since it uses less digits than its factorization.

23121543255254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218127766614.

The product of its digits is 1440000, while the sum is 44.

Adding to 23121543255254 its reverse (45255234512132), we get a palindrome (68376777767386).

The spelling of 23121543255254 in words is "twenty-three trillion, one hundred twenty-one billion, five hundred forty-three million, two hundred fifty-five thousand, two hundred fifty-four".