23111000002123 has 8 divisors (see below), whose sum is σ = 25893405408240. Its totient is φ = 20442162163680.

The previous prime is 23111000001941. The next prime is 23111000002141. The reversal of 23111000002123 is 32120000011132.

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 23111000002123 - 2¹³ = 23110999993931 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23111000002097 and 23111000002106.

It is not an unprimeable number, because it can be changed into a prime (23111000002183) 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, 28391891488 + ... + 28391892301.

It is an arithmetic number, because the mean of its divisors is an integer number (3236675676030).

Almost surely, 2^{23111000002123} is an apocalyptic number.

23111000002123 is a deficient number, since it is larger than the sum of its proper divisors (2782405406117).

23111000002123 is a wasteful number, since it uses less digits than its factorization.

23111000002123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56783783837.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 23111000002123 its reverse (32120000011132), we get a palindrome (55231000013255).

Subtracting 23111000002123 from its reverse (32120000011132), we obtain a palindrome (9009000009009).

The spelling of 23111000002123 in words is "twenty-three trillion, one hundred eleven billion, two thousand, one hundred twenty-three".