23533220402 has 8 divisors (see below), whose sum is σ = 36438534912. Its totient is φ = 11387042100.

The previous prime is 23533220401. The next prime is 23533220443. The reversal of 23533220402 is 20402233532.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (23533220401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189783974 + ... + 189784097.

It is an arithmetic number, because the mean of its divisors is an integer number (4554816864).

Almost surely, 2^23533220402 is an apocalyptic number.

23533220402 is a deficient number, since it is larger than the sum of its proper divisors (12905314510).

23533220402 is a wasteful number, since it uses less digits than its factorization.

23533220402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379568104.

The product of its (nonzero) digits is 8640, while the sum is 26.

Adding to 23533220402 its reverse (20402233532), we get a palindrome (43935453934).

The spelling of 23533220402 in words is "twenty-three billion, five hundred thirty-three million, two hundred twenty thousand, four hundred two".