1223534554133 has 2 divisors, whose sum is σ = 1223534554134. Its totient is φ = 1223534554132.

The previous prime is 1223534554129. The next prime is 1223534554181. The reversal of 1223534554133 is 3314554353221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 872434457764 + 351100096369 = 934042^2 + 592537^2 .

It is a cyclic number.

It is not a de Polignac number, because 1223534554133 - 2² = 1223534554129 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1223534553133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611767277066 + 611767277067.

It is an arithmetic number, because the mean of its divisors is an integer number (611767277067).

Almost surely, 2^{1223534554133} is an apocalyptic number.

It is an amenable number.

1223534554133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223534554133 is an equidigital number, since it uses as much as digits as its factorization.

1223534554133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648000, while the sum is 41.

The spelling of 1223534554133 in words is "one trillion, two hundred twenty-three billion, five hundred thirty-four million, five hundred fifty-four thousand, one hundred thirty-three".