1232342009 has 2 divisors, whose sum is σ = 1232342010. Its totient is φ = 1232342008.

The previous prime is 1232342003. The next prime is 1232342099. The reversal of 1232342009 is 9002432321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1188318784 + 44023225 = 34472^2 + 6635^2 .

It is a cyclic number.

It is not a de Polignac number, because 1232342009 - 2¹² = 1232337913 is a prime.

It is not a weakly prime, because it can be changed into another prime (1232342003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616171004 + 616171005.

It is an arithmetic number, because the mean of its divisors is an integer number (616171005).

Almost surely, 2^1232342009 is an apocalyptic number.

It is an amenable number.

1232342009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232342009 is an equidigital number, since it uses as much as digits as its factorization.

1232342009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 1232342009 is about 35104.7291543461. The cubic root of 1232342009 is about 1072.1208724370.

The spelling of 1232342009 in words is "one billion, two hundred thirty-two million, three hundred forty-two thousand, nine".