23102002003 has 2 divisors, whose sum is σ = 23102002004. Its totient is φ = 23102002002.

The previous prime is 23102001991. The next prime is 23102002009. The reversal of 23102002003 is 30020020132.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23102002003 is a prime.

It is not a weakly prime, because it can be changed into another prime (23102002009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11551001001 + 11551001002.

It is an arithmetic number, because the mean of its divisors is an integer number (11551001002).

Almost surely, 2^23102002003 is an apocalyptic number.

23102002003 is a deficient number, since it is larger than the sum of its proper divisors (1).

23102002003 is an equidigital number, since it uses as much as digits as its factorization.

23102002003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 23102002003 its reverse (30020020132), we get a palindrome (53122022135).

The spelling of 23102002003 in words is "twenty-three billion, one hundred two million, two thousand, three".