11423404430212 has 12 divisors (see below), whose sum is σ = 20531253908620. Its totient is φ = 5557331884896.

The previous prime is 11423404430189. The next prime is 11423404430231. The reversal of 11423404430212 is 21203440432411.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4088103872836 + 7335300557376 = 2021906^2 + 2708376^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38592582387 + ... + 38592582682.

Almost surely, 2^{11423404430212} is an apocalyptic number.

It is an amenable number.

11423404430212 is a deficient number, since it is larger than the sum of its proper divisors (9107849478408).

11423404430212 is a wasteful number, since it uses less digits than its factorization.

11423404430212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77185165110 (or 77185165108 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 11423404430212 its reverse (21203440432411), we get a palindrome (32626844862623).

The spelling of 11423404430212 in words is "eleven trillion, four hundred twenty-three billion, four hundred four million, four hundred thirty thousand, two hundred twelve".