23120003 has 4 divisors (see below), whose sum is σ = 23144880. Its totient is φ = 23095128.

The previous prime is 23119973. The next prime is 23120029. The reversal of 23120003 is 30002132.

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 23120003 - 2¹² = 23115907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23120033) 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, 10988 + ... + 12921.

It is an arithmetic number, because the mean of its divisors is an integer number (5786220).

Almost surely, 2^23120003 is an apocalyptic number.

23120003 is a deficient number, since it is larger than the sum of its proper divisors (24877).

23120003 is an equidigital number, since it uses as much as digits as its factorization.

23120003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24876.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 23120003 is about 4808.3264240274. The cubic root of 23120003 is about 284.8804382044.

Adding to 23120003 its reverse (30002132), we get a palindrome (53122135).

The spelling of 23120003 in words is "twenty-three million, one hundred twenty thousand, three".