23021203 has 2 divisors, whose sum is σ = 23021204. Its totient is φ = 23021202.

The previous prime is 23021177. The next prime is 23021227. The reversal of 23021203 is 30212032.

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-23021203 is a prime.

It is not a weakly prime, because it can be changed into another prime (23021263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11510601 + 11510602.

It is an arithmetic number, because the mean of its divisors is an integer number (11510602).

Almost surely, 2^23021203 is an apocalyptic number.

23021203 is a deficient number, since it is larger than the sum of its proper divisors (1).

23021203 is an equidigital number, since it uses as much as digits as its factorization.

23021203 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.

The square root of 23021203 is about 4798.0415796448. The cubic root of 23021203 is about 284.4740602923.

Adding to 23021203 its reverse (30212032), we get a palindrome (53233235).

It can be divided in two parts, 2 and 3021203, that multiplied together give a palindrome (6042406).

The spelling of 23021203 in words is "twenty-three million, twenty-one thousand, two hundred three".