23203213394 has 8 divisors (see below), whose sum is σ = 35653718268. Its totient is φ = 11318640640.

The previous prime is 23203213393. The next prime is 23203213417. The reversal of 23203213394 is 49331230232.

It can be written as a sum of positive squares in 2 ways, for example, as 20034987025 + 3168226369 = 141545^2 + 56287^2 .

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

It is a super-2 number, since 2×23203213394² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23203213394.

It is not an unprimeable number, because it can be changed into a prime (23203213391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141482927 + ... + 141483090.

Almost surely, 2^23203213394 is an apocalyptic number.

23203213394 is a deficient number, since it is larger than the sum of its proper divisors (12450504874).

23203213394 is a wasteful number, since it uses less digits than its factorization.

23203213394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282966060.

The product of its (nonzero) digits is 23328, while the sum is 32.

The spelling of 23203213394 in words is "twenty-three billion, two hundred three million, two hundred thirteen thousand, three hundred ninety-four".