23100403 has 2 divisors, whose sum is σ = 23100404. Its totient is φ = 23100402.

The previous prime is 23100397. The next prime is 23100419. The reversal of 23100403 is 30400132.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23100403 is a prime.

It is not a weakly prime, because it can be changed into another prime (23100463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11550201 + 11550202.

It is an arithmetic number, because the mean of its divisors is an integer number (11550202).

Almost surely, 2^23100403 is an apocalyptic number.

23100403 is a deficient number, since it is larger than the sum of its proper divisors (1).

23100403 is an equidigital number, since it uses as much as digits as its factorization.

23100403 is an odious number, because the sum of its binary digits is odd.

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

The square root of 23100403 is about 4806.2878607091. The cubic root of 23100403 is about 284.7999129095.

Adding to 23100403 its reverse (30400132), we get a palindrome (53500535).

The spelling of 23100403 in words is "twenty-three million, one hundred thousand, four hundred three".