23223005 has 16 divisors (see below), whose sum is σ = 30508464. Its totient is φ = 16865280.

The previous prime is 23222989. The next prime is 23223017. The reversal of 23223005 is 50032232.

It can be written as a sum of positive squares in 8 ways, for example, as 1943236 + 21279769 = 1394^2 + 4613^2 .

It is not a de Polignac number, because 23223005 - 2⁴ = 23222989 is a prime.

It is a super-2 number, since 2×23223005² = 1078615922460050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1037 + ... + 6893.

It is an arithmetic number, because the mean of its divisors is an integer number (1906779).

Almost surely, 2^23223005 is an apocalyptic number.

It is an amenable number.

23223005 is a deficient number, since it is larger than the sum of its proper divisors (7285459).

23223005 is a wasteful number, since it uses less digits than its factorization.

23223005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5936.

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 23223005 is about 4819.0253163892. The cubic root of 23223005 is about 285.3028687535.

Adding to 23223005 its reverse (50032232), we get a palindrome (73255237).

The spelling of 23223005 in words is "twenty-three million, two hundred twenty-three thousand, five".