23201040204 has 18 divisors (see below), whose sum is σ = 58647073940. Its totient is φ = 7733680056.

The previous prime is 23201040193. The next prime is 23201040251. The reversal of 23201040204 is 40204010232.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 322236634 + ... + 322236705.

Almost surely, 2^23201040204 is an apocalyptic number.

It is an amenable number.

23201040204 is an abundant number, since it is smaller than the sum of its proper divisors (35446033736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23201040204 is a wasteful number, since it uses less digits than its factorization.

23201040204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644473349 (or 644473344 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 23201040204 its reverse (40204010232), we get a palindrome (63405050436).

The spelling of 23201040204 in words is "twenty-three billion, two hundred one million, forty thousand, two hundred four".