23129803 has 2 divisors, whose sum is σ = 23129804. Its totient is φ = 23129802.

The previous prime is 23129779. The next prime is 23129819. The reversal of 23129803 is 30892132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23129803 - 2⁹ = 23129291 is a prime.

It is not a weakly prime, because it can be changed into another prime (23129893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11564901 + 11564902.

It is an arithmetic number, because the mean of its divisors is an integer number (11564902).

Almost surely, 2^23129803 is an apocalyptic number.

23129803 is a deficient number, since it is larger than the sum of its proper divisors (1).

23129803 is an equidigital number, since it uses as much as digits as its factorization.

23129803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 23129803 is about 4809.3453816502. The cubic root of 23129803 is about 284.9206837864.

It can be divided in two parts, 23129 and 803, that added together give a palindrome (23932).

The spelling of 23129803 in words is "twenty-three million, one hundred twenty-nine thousand, eight hundred three".