1232312009977 has 2 divisors, whose sum is σ = 1232312009978. Its totient is φ = 1232312009976.

The previous prime is 1232312009939. The next prime is 1232312010019. The reversal of 1232312009977 is 7799002132321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 989794173456 + 242517836521 = 994884^2 + 492461^2 .

It is a cyclic number.

It is not a de Polignac number, because 1232312009977 - 2¹¹ = 1232312007929 is a prime.

It is not a weakly prime, because it can be changed into another prime (1232312009377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616156004988 + 616156004989.

It is an arithmetic number, because the mean of its divisors is an integer number (616156004989).

Almost surely, 2^{1232312009977} is an apocalyptic number.

It is an amenable number.

1232312009977 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232312009977 is an equidigital number, since it uses as much as digits as its factorization.

1232312009977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 285768, while the sum is 46.

The spelling of 1232312009977 in words is "one trillion, two hundred thirty-two billion, three hundred twelve million, nine thousand, nine hundred seventy-seven".