1233455667953 has 2 divisors, whose sum is σ = 1233455667954. Its totient is φ = 1233455667952.

The previous prime is 1233455667893. The next prime is 1233455667959. The reversal of 1233455667953 is 3597665543321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1151947130944 + 81508537009 = 1073288^2 + 285497^2 .

It is a cyclic number.

It is not a de Polignac number, because 1233455667953 - 2⁶ = 1233455667889 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1233455667892 and 1233455667901.

It is not a weakly prime, because it can be changed into another prime (1233455667959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616727833976 + 616727833977.

It is an arithmetic number, because the mean of its divisors is an integer number (616727833977).

Almost surely, 2^{1233455667953} is an apocalyptic number.

It is an amenable number.

1233455667953 is a deficient number, since it is larger than the sum of its proper divisors (1).

1233455667953 is an equidigital number, since it uses as much as digits as its factorization.

1233455667953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 61236000, while the sum is 59.

The spelling of 1233455667953 in words is "one trillion, two hundred thirty-three billion, four hundred fifty-five million, six hundred sixty-seven thousand, nine hundred fifty-three".