23203315556 has 12 divisors (see below), whose sum is σ = 40686532992. Its totient is φ = 11578591848.

The previous prime is 23203315549. The next prime is 23203315559. The reversal of 23203315556 is 65551330232.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (23203315559) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5764220 + ... + 5768243.

It is an arithmetic number, because the mean of its divisors is an integer number (3390544416).

Almost surely, 2^23203315556 is an apocalyptic number.

It is an amenable number.

23203315556 is a deficient number, since it is larger than the sum of its proper divisors (17483217436).

23203315556 is a wasteful number, since it uses less digits than its factorization.

23203315556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11532970 (or 11532968 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 35.

Adding to 23203315556 its reverse (65551330232), we get a palindrome (88754645788).

The spelling of 23203315556 in words is "twenty-three billion, two hundred three million, three hundred fifteen thousand, five hundred fifty-six".