23203102312 has 32 divisors (see below), whose sum is σ = 46956861000. Its totient is φ = 10685251584.

The previous prime is 23203102303. The next prime is 23203102313. The reversal of 23203102312 is 21320130232.

It can be written as a sum of positive squares in 4 ways, for example, as 18800248996 + 4402853316 = 137114^2 + 66354^2 .

It is a super-2 number, since 2×23203102312² (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 23203102312.

It is not an unprimeable number, because it can be changed into a prime (23203102313) 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 7 ways as a sum of consecutive naturals, for example, 201753 + ... + 295144.

Almost surely, 2^23203102312 is an apocalyptic number.

It is an amenable number.

23203102312 is an abundant number, since it is smaller than the sum of its proper divisors (23753758688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23203102312 is a wasteful number, since it uses less digits than its factorization.

23203102312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497365 (or 497361 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 23203102312 its reverse (21320130232), we get a palindrome (44523232544).

The spelling of 23203102312 in words is "twenty-three billion, two hundred three million, one hundred two thousand, three hundred twelve".