23200203123 has 24 divisors (see below), whose sum is σ = 33686864640. Its totient is φ = 15385962240.

The previous prime is 23200203083. The next prime is 23200203151. The reversal of 23200203123 is 32130200232.

It is a happy number.

It is not a de Polignac number, because 23200203123 - 2²⁰ = 23199154547 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23200203096 and 23200203105.

It is not an unprimeable number, because it can be changed into a prime (23200204123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2191918 + ... + 2202476.

It is an arithmetic number, because the mean of its divisors is an integer number (1403619360).

Almost surely, 2^23200203123 is an apocalyptic number.

23200203123 is a deficient number, since it is larger than the sum of its proper divisors (10486661517).

23200203123 is a wasteful number, since it uses less digits than its factorization.

23200203123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11819 (or 11816 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 23200203123 its reverse (32130200232), we get a palindrome (55330403355).

The spelling of 23200203123 in words is "twenty-three billion, two hundred million, two hundred three thousand, one hundred twenty-three".