23123121123102 has 256 divisors, whose sum is σ = 62311720697856. Its totient is φ = 5524485120000.

The previous prime is 23123121123097. The next prime is 23123121123149. The reversal of 23123121123102 is 20132112132132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4816311102 + ... + 4816315902.

It is an arithmetic number, because the mean of its divisors is an integer number (243405158976).

Almost surely, 2^{23123121123102} is an apocalyptic number.

23123121123102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 23123121123102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31155860348928).

23123121123102 is an abundant number, since it is smaller than the sum of its proper divisors (39188599574754).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23123121123102 is a wasteful number, since it uses less digits than its factorization.

23123121123102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7495.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 23123121123102 its reverse (20132112132132), we get a palindrome (43255233255234).

The spelling of 23123121123102 in words is "twenty-three trillion, one hundred twenty-three billion, one hundred twenty-one million, one hundred twenty-three thousand, one hundred two".