23213010202 has 4 divisors (see below), whose sum is σ = 34819515306. Its totient is φ = 11606505100.

The previous prime is 23213010173. The next prime is 23213010217. The reversal of 23213010202 is 20201031232.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 16998683641 + 6214326561 = 130379^2 + 78831^2 .

It is a super-3 number, since 3×23213010202³ (a number of 32 digits) contains 333 as substring.

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 as a sum of consecutive naturals, namely, 5803252549 + ... + 5803252552.

Almost surely, 2^23213010202 is an apocalyptic number.

23213010202 is a deficient number, since it is larger than the sum of its proper divisors (11606505104).

23213010202 is a wasteful number, since it uses less digits than its factorization.

23213010202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11606505103.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 23213010202 its reverse (20201031232), we get a palindrome (43414041434).

The spelling of 23213010202 in words is "twenty-three billion, two hundred thirteen million, ten thousand, two hundred two".