23001004123 has 4 divisors (see below), whose sum is σ = 23344302760. Its totient is φ = 22657705488.

The previous prime is 23001004121. The next prime is 23001004133. The reversal of 23001004123 is 32140010032.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23001004123 - 2¹ = 23001004121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23001004097 and 23001004106.

It is not an unprimeable number, because it can be changed into a prime (23001004121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171649218 + ... + 171649351.

It is an arithmetic number, because the mean of its divisors is an integer number (5836075690).

Almost surely, 2^23001004123 is an apocalyptic number.

23001004123 is a deficient number, since it is larger than the sum of its proper divisors (343298637).

23001004123 is an equidigital number, since it uses as much as digits as its factorization.

23001004123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343298636.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 23001004123 its reverse (32140010032), we get a palindrome (55141014155).

The spelling of 23001004123 in words is "twenty-three billion, one million, four thousand, one hundred twenty-three".