212323432 has 32 divisors (see below), whose sum is σ = 406224000. Its totient is φ = 104011200.

The previous prime is 212323409. The next prime is 212323439. The reversal of 212323432 is 234323212.

212323432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

212323432 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (212323439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151069 + ... + 152467.

It is an arithmetic number, because the mean of its divisors is an integer number (12694500).

Almost surely, 2^212323432 is an apocalyptic number.

It is an amenable number.

212323432 is a deficient number, since it is larger than the sum of its proper divisors (193900568).

212323432 is a wasteful number, since it uses less digits than its factorization.

212323432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1777 (or 1773 counting only the distinct ones).

The product of its digits is 1728, while the sum is 22.

The square root of 212323432 is about 14571.3222461107. The cubic root of 212323432 is about 596.5762709964.

Adding to 212323432 its reverse (234323212), we get a palindrome (446646644).

The spelling of 212323432 in words is "two hundred twelve million, three hundred twenty-three thousand, four hundred thirty-two".