232326509 has 4 divisors (see below), whose sum is σ = 244554240. Its totient is φ = 220098780.

The previous prime is 232326503. The next prime is 232326527. The reversal of 232326509 is 905623232.

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 a cyclic number.

It is not a de Polignac number, because 232326509 - 2⁸ = 232326253 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 (232326503) 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, 6113837 + ... + 6113874.

It is an arithmetic number, because the mean of its divisors is an integer number (61138560).

Almost surely, 2^232326509 is an apocalyptic number.

It is an amenable number.

232326509 is a deficient number, since it is larger than the sum of its proper divisors (12227731).

232326509 is a wasteful number, since it uses less digits than its factorization.

232326509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12227730.

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 232326509 is about 15242.2606262982. The cubic root of 232326509 is about 614.7514883749.

The spelling of 232326509 in words is "two hundred thirty-two million, three hundred twenty-six thousand, five hundred nine".