23123003 has 4 divisors (see below), whose sum is σ = 23147328. Its totient is φ = 23098680.

The previous prime is 23122991. The next prime is 23123029. The reversal of 23123003 is 30032132.

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 23123003 - 2¹⁶ = 23057467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23123803) 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, 10676 + ... + 12657.

It is an arithmetic number, because the mean of its divisors is an integer number (5786832).

Almost surely, 2^23123003 is an apocalyptic number.

23123003 is a deficient number, since it is larger than the sum of its proper divisors (24325).

23123003 is an equidigital number, since it uses as much as digits as its factorization.

23123003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24324.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 23123003 is about 4808.6383727621. The cubic root of 23123003 is about 284.8927594882.

Adding to 23123003 its reverse (30032132), we get a palindrome (53155135).

The spelling of 23123003 in words is "twenty-three million, one hundred twenty-three thousand, three".