33123312373 has 2 divisors, whose sum is σ = 33123312374. Its totient is φ = 33123312372.

The previous prime is 33123312311. The next prime is 33123312401. The reversal of 33123312373 is 37321332133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32541634449 + 581677924 = 180393^2 + 24118^2 .

It is an emirp because it is prime and its reverse (37321332133) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33123312373 is a prime.

It is a super-2 number, since 2×33123312373² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33123312773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16561656186 + 16561656187.

It is an arithmetic number, because the mean of its divisors is an integer number (16561656187).

Almost surely, 2^33123312373 is an apocalyptic number.

It is an amenable number.

33123312373 is a deficient number, since it is larger than the sum of its proper divisors (1).

33123312373 is an equidigital number, since it uses as much as digits as its factorization.

33123312373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20412, while the sum is 31.

The spelling of 33123312373 in words is "thirty-three billion, one hundred twenty-three million, three hundred twelve thousand, three hundred seventy-three".