234212356 has 18 divisors (see below), whose sum is σ = 476789838. Its totient is φ = 100376640.

The previous prime is 234212351. The next prime is 234212387. The reversal of 234212356 is 653212432.

234212356 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 228614400 + 5597956 = 15120^2 + 2366^2 .

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234212351) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 597285 + ... + 597676.

Almost surely, 2^234212356 is an apocalyptic number.

It is an amenable number.

234212356 is an abundant number, since it is smaller than the sum of its proper divisors (242577482).

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

234212356 is a wasteful number, since it uses less digits than its factorization.

234212356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1194979 (or 1194970 counting only the distinct ones).

The product of its digits is 8640, while the sum is 28.

The square root of 234212356 is about 15303.9980397281. The cubic root of 234212356 is about 616.4103670567.

Adding to 234212356 its reverse (653212432), we get a palindrome (887424788).

The spelling of 234212356 in words is "two hundred thirty-four million, two hundred twelve thousand, three hundred fifty-six".