1232632309 has 2 divisors, whose sum is σ = 1232632310. Its totient is φ = 1232632308.

The previous prime is 1232632283. The next prime is 1232632321. The reversal of 1232632309 is 9032362321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1218359025 + 14273284 = 34905^2 + 3778^2 .

It is an emirp because it is prime and its reverse (9032362321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1232632309 - 2¹⁹ = 1232108021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1232630309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616316154 + 616316155.

It is an arithmetic number, because the mean of its divisors is an integer number (616316155).

Almost surely, 2^1232632309 is an apocalyptic number.

It is an amenable number.

1232632309 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232632309 is an equidigital number, since it uses as much as digits as its factorization.

1232632309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 31.

The square root of 1232632309 is about 35108.8636814124. The cubic root of 1232632309 is about 1072.2050515180.

The spelling of 1232632309 in words is "one billion, two hundred thirty-two million, six hundred thirty-two thousand, three hundred nine".