22723003 has 2 divisors, whose sum is σ = 22723004. Its totient is φ = 22723002.

The previous prime is 22722991. The next prime is 22723009. The reversal of 22723003 is 30032722.

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-22723003 is a prime.

It is not a weakly prime, because it can be changed into another prime (22723009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11361501 + 11361502.

It is an arithmetic number, because the mean of its divisors is an integer number (11361502).

Almost surely, 2^22723003 is an apocalyptic number.

22723003 is a deficient number, since it is larger than the sum of its proper divisors (1).

22723003 is an equidigital number, since it uses as much as digits as its factorization.

22723003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 19.

The square root of 22723003 is about 4766.8651124193. The cubic root of 22723003 is about 283.2404279786.

Adding to 22723003 its reverse (30032722), we get a palindrome (52755725).

The spelling of 22723003 in words is "twenty-two million, seven hundred twenty-three thousand, three".