23122004 has 12 divisors (see below), whose sum is σ = 40504884. Its totient is φ = 11549184.

The previous prime is 23121971. The next prime is 23122007. The reversal of 23122004 is 40022132.

It can be written as a sum of positive squares in 2 ways, for example, as 20232004 + 2890000 = 4498^2 + 1700^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23122004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23122007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2612 + ... + 7284.

It is an arithmetic number, because the mean of its divisors is an integer number (3375407).

Almost surely, 2^23122004 is an apocalyptic number.

It is an amenable number.

23122004 is a deficient number, since it is larger than the sum of its proper divisors (17382880).

23122004 is a wasteful number, since it uses less digits than its factorization.

23122004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5914 (or 5912 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 23122004 is about 4808.5344960809. The cubic root of 23122004 is about 284.8886566191. Note that the first 3 decimals are identical.

Adding to 23122004 its reverse (40022132), we get a palindrome (63144136).

The spelling of 23122004 in words is "twenty-three million, one hundred twenty-two thousand, four".