232015213 has 4 divisors (see below), whose sum is σ = 244226560. Its totient is φ = 219803868.

The previous prime is 232015207. The next prime is 232015219. The reversal of 232015213 is 312510232.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (232015207) and next prime (232015219).

It is a cyclic number.

It is not a de Polignac number, because 232015213 - 2¹⁷ = 231884141 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 12211327 = 232015213 / (2 + 3 + 2 + 0 + 1 + 5 + 2 + 1 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232015219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6105645 + ... + 6105682.

It is an arithmetic number, because the mean of its divisors is an integer number (61056640).

Almost surely, 2^232015213 is an apocalyptic number.

It is an amenable number.

232015213 is a deficient number, since it is larger than the sum of its proper divisors (12211347).

232015213 is a wasteful number, since it uses less digits than its factorization.

232015213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12211346.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 232015213 is about 15232.0455947322. The cubic root of 232015213 is about 614.4767956355.

Adding to 232015213 its reverse (312510232), we get a palindrome (544525445).

The spelling of 232015213 in words is "two hundred thirty-two million, fifteen thousand, two hundred thirteen".