23121322202 has 16 divisors (see below), whose sum is σ = 37852067232. Its totient is φ = 10504920720.

The previous prime is 23121322199. The next prime is 23121322241. The reversal of 23121322202 is 20222312132.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188768 + ... + 286139.

It is an arithmetic number, because the mean of its divisors is an integer number (2365754202).

Almost surely, 2^23121322202 is an apocalyptic number.

23121322202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

23121322202 is a deficient number, since it is larger than the sum of its proper divisors (14730745030).

23121322202 is a wasteful number, since it uses less digits than its factorization.

23121322202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477133.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 23121322202 its reverse (20222312132), we get a palindrome (43343634334).

The spelling of 23121322202 in words is "twenty-three billion, one hundred twenty-one million, three hundred twenty-two thousand, two hundred two".