23204135520044 has 12 divisors (see below), whose sum is σ = 40607900445168. Its totient is φ = 11601878250000.

The previous prime is 23204135519977. The next prime is 23204135520073. The reversal of 23204135520044 is 44002553140232.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23204135519986 and 23204135520013.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47101832 + ... + 47591919.

It is an arithmetic number, because the mean of its divisors is an integer number (3383991703764).

Almost surely, 2^{23204135520044} is an apocalyptic number.

It is an amenable number.

23204135520044 is a deficient number, since it is larger than the sum of its proper divisors (17403764925124).

23204135520044 is a wasteful number, since it uses less digits than its factorization.

23204135520044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94755016 (or 94755014 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 23204135520044 its reverse (44002553140232), we get a palindrome (67206688660276).

The spelling of 23204135520044 in words is "twenty-three trillion, two hundred four billion, one hundred thirty-five million, five hundred twenty thousand, forty-four".