23031233420212 has 12 divisors (see below), whose sum is σ = 40305660348996. Its totient is φ = 11515330463360.

The previous prime is 23031233420207. The next prime is 23031233420291. The reversal of 23031233420212 is 21202433213032.

It can be written as a sum of positive squares in 2 ways, for example, as 949467052836 + 22081766367376 = 974406^2 + 4699124^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71380603 + ... + 71702530.

It is an arithmetic number, because the mean of its divisors is an integer number (3358805029083).

Almost surely, 2^{23031233420212} is an apocalyptic number.

It is an amenable number.

23031233420212 is a deficient number, since it is larger than the sum of its proper divisors (17274426928784).

23031233420212 is a wasteful number, since it uses less digits than its factorization.

23031233420212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143123378 (or 143123376 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 23031233420212 its reverse (21202433213032), we get a palindrome (44233666633244).

The spelling of 23031233420212 in words is "twenty-three trillion, thirty-one billion, two hundred thirty-three million, four hundred twenty thousand, two hundred twelve".