232312213 has 16 divisors (see below), whose sum is σ = 280958976. Its totient is φ = 187775280.

The previous prime is 232312189. The next prime is 232312237. The reversal of 232312213 is 312213232.

It is an interprime number because it is at equal distance from previous prime (232312189) and next prime (232312237).

It is not a de Polignac number, because 232312213 - 2¹³ = 232304021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232312253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1270 + ... + 21592.

It is an arithmetic number, because the mean of its divisors is an integer number (17559936).

Almost surely, 2^232312213 is an apocalyptic number.

232312213 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

232312213 is a deficient number, since it is larger than the sum of its proper divisors (48646763).

232312213 is a wasteful number, since it uses less digits than its factorization.

232312213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20424.

The product of its digits is 432, while the sum is 19.

The square root of 232312213 is about 15241.7916597754. The cubic root of 232312213 is about 614.7388787254.

Adding to 232312213 its reverse (312213232), we get a palindrome (544525445).

It can be divided in two parts, 232 and 312213, that added together give a triangular number (312445 = T₇₉₀).

The spelling of 232312213 in words is "two hundred thirty-two million, three hundred twelve thousand, two hundred thirteen".