23162603 has 2 divisors, whose sum is σ = 23162604. Its totient is φ = 23162602.

The previous prime is 23162599. The next prime is 23162621. The reversal of 23162603 is 30626132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23162603 - 2² = 23162599 is a prime.

It is not a weakly prime, because it can be changed into another prime (23162683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11581301 + 11581302.

It is an arithmetic number, because the mean of its divisors is an integer number (11581302).

Almost surely, 2^23162603 is an apocalyptic number.

23162603 is a deficient number, since it is larger than the sum of its proper divisors (1).

23162603 is an equidigital number, since it uses as much as digits as its factorization.

23162603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 23162603 is about 4812.7542010786. The cubic root of 23162603 is about 285.0553006468.

Adding to 23162603 its reverse (30626132), we get a palindrome (53788735).

The spelling of 23162603 in words is "twenty-three million, one hundred sixty-two thousand, six hundred three".