23212303013 has 4 divisors (see below), whose sum is σ = 24577732620. Its totient is φ = 21846873408.

The previous prime is 23212302991. The next prime is 23212303019. The reversal of 23212303013 is 31030321232.

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

It can be written as a sum of positive squares in 2 ways, for example, as 15232990084 + 7979312929 = 123422^2 + 89327^2 .

It is a cyclic number.

It is not a de Polignac number, because 23212303013 - 2¹⁰ = 23212301989 is a prime.

It is a super-3 number, since 3×23212303013³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23212303019) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 682714778 + ... + 682714811.

It is an arithmetic number, because the mean of its divisors is an integer number (6144433155).

Almost surely, 2^23212303013 is an apocalyptic number.

It is an amenable number.

23212303013 is a deficient number, since it is larger than the sum of its proper divisors (1365429607).

23212303013 is a wasteful number, since it uses less digits than its factorization.

23212303013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1365429606.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 23212303013 its reverse (31030321232), we get a palindrome (54242624245).

The spelling of 23212303013 in words is "twenty-three billion, two hundred twelve million, three hundred three thousand, thirteen".