23120004004 has 48 divisors (see below), whose sum is σ = 43057907200. Its totient is φ = 10831781376.

The previous prime is 23120003969. The next prime is 23120004007. The reversal of 23120004004 is 40040002132.

It is not an unprimeable number, because it can be changed into a prime (23120004007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2656492 + ... + 2665180.

Almost surely, 2^23120004004 is an apocalyptic number.

It is an amenable number.

23120004004 is a deficient number, since it is larger than the sum of its proper divisors (19937903196).

23120004004 is a wasteful number, since it uses less digits than its factorization.

23120004004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9092 (or 9090 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 23120004004 its reverse (40040002132), we get a palindrome (63160006136).

The spelling of 23120004004 in words is "twenty-three billion, one hundred twenty million, four thousand, four".