23203222004 has 24 divisors (see below), whose sum is σ = 44042849928. Its totient is φ = 10652840960.

The previous prime is 23203222001. The next prime is 23203222013. The reversal of 23203222004 is 40022230232.

It can be written as a sum of positive squares in 4 ways, for example, as 2851346404 + 20351875600 = 53398^2 + 142660^2 .

It is a super-2 number, since 2×23203222004² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23203222001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4158479 + ... + 4164054.

It is an arithmetic number, because the mean of its divisors is an integer number (1835118747).

Almost surely, 2^23203222004 is an apocalyptic number.

It is an amenable number.

23203222004 is a deficient number, since it is larger than the sum of its proper divisors (20839627924).

23203222004 is a wasteful number, since it uses less digits than its factorization.

23203222004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8322595 (or 8322593 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 23203222004 its reverse (40022230232), we get a palindrome (63225452236).

The spelling of 23203222004 in words is "twenty-three billion, two hundred three million, two hundred twenty-two thousand, four".