23231122004 has 24 divisors (see below), whose sum is σ = 41238715560. Its totient is φ = 11448843264.

The previous prime is 23231122003. The next prime is 23231122007. The reversal of 23231122004 is 40022113232.

It can be written as a sum of positive squares in 4 ways, for example, as 4752400 + 23226369604 = 2180^2 + 152402^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23231122003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 427862 + ... + 479090.

It is an arithmetic number, because the mean of its divisors is an integer number (1718279815).

Almost surely, 2^23231122004 is an apocalyptic number.

It is an amenable number.

23231122004 is a deficient number, since it is larger than the sum of its proper divisors (18007593556).

23231122004 is a wasteful number, since it uses less digits than its factorization.

23231122004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52859 (or 52857 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 23231122004 its reverse (40022113232), we get a palindrome (63253235236).

The spelling of 23231122004 in words is "twenty-three billion, two hundred thirty-one million, one hundred twenty-two thousand, four".