23001200123 has 12 divisors (see below), whose sum is σ = 25285986600. Its totient is φ = 20907142080.

The previous prime is 23001200113. The next prime is 23001200143. The reversal of 23001200123 is 32100210032.

It is a happy number.

It is not a de Polignac number, because 23001200123 - 2¹⁰ = 23001199099 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23001200098 and 23001200107.

It is not an unprimeable number, because it can be changed into a prime (23001200113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1553411 + ... + 1568147.

It is an arithmetic number, because the mean of its divisors is an integer number (2107165550).

Almost surely, 2^23001200123 is an apocalyptic number.

23001200123 is a deficient number, since it is larger than the sum of its proper divisors (2284786477).

23001200123 is a wasteful number, since it uses less digits than its factorization.

23001200123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27658 (or 27647 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 23001200123 its reverse (32100210032), we get a palindrome (55101410155).

Subtracting 23001200123 from its reverse (32100210032), we obtain a palindrome (9099009909).

The spelling of 23001200123 in words is "twenty-three billion, one million, two hundred thousand, one hundred twenty-three".