23133440404 has 12 divisors (see below), whose sum is σ = 42864904404. Its totient is φ = 10886324864.

The previous prime is 23133440401. The next prime is 23133440419. The reversal of 23133440404 is 40404433132.

It can be written as a sum of positive squares in 2 ways, for example, as 9081708804 + 14051731600 = 95298^2 + 118540^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23133440401) 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, 170098759 + ... + 170098894.

It is an arithmetic number, because the mean of its divisors is an integer number (3572075367).

Almost surely, 2^23133440404 is an apocalyptic number.

It is an amenable number.

23133440404 is a deficient number, since it is larger than the sum of its proper divisors (19731464000).

23133440404 is a wasteful number, since it uses less digits than its factorization.

23133440404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340197674 (or 340197672 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 23133440404 its reverse (40404433132), we get a palindrome (63537873536).

The spelling of 23133440404 in words is "twenty-three billion, one hundred thirty-three million, four hundred forty thousand, four hundred four".