23123213021103 has 48 divisors (see below), whose sum is σ = 35241656762880. Its totient is φ = 13442548534272.

The previous prime is 23123213021047. The next prime is 23123213021119. The reversal of 23123213021103 is 30112031232132.

It is not a de Polignac number, because 23123213021103 - 2⁹ = 23123213020591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23123213021173) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 426 + ... + 6800472.

It is an arithmetic number, because the mean of its divisors is an integer number (734201182560).

Almost surely, 2^{23123213021103} is an apocalyptic number.

23123213021103 is a deficient number, since it is larger than the sum of its proper divisors (12118443741777).

23123213021103 is a wasteful number, since it uses less digits than its factorization.

23123213021103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6800448 (or 6800435 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 23123213021103 its reverse (30112031232132), we get a palindrome (53235244253235).

The spelling of 23123213021103 in words is "twenty-three trillion, one hundred twenty-three billion, two hundred thirteen million, twenty-one thousand, one hundred three".