33013320221923 has 2 divisors, whose sum is σ = 33013320221924. Its totient is φ = 33013320221922.

The previous prime is 33013320221807. The next prime is 33013320222031. The reversal of 33013320221923 is 32912202331033.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33013320221923 is a prime.

It is not a weakly prime, because it can be changed into another prime (33013320261923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16506660110961 + 16506660110962.

It is an arithmetic number, because the mean of its divisors is an integer number (16506660110962).

Almost surely, 2^{33013320221923} is an apocalyptic number.

33013320221923 is a deficient number, since it is larger than the sum of its proper divisors (1).

33013320221923 is an equidigital number, since it uses as much as digits as its factorization.

33013320221923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 34.

Adding to 33013320221923 its reverse (32912202331033), we get a palindrome (65925522552956).

The spelling of 33013320221923 in words is "thirty-three trillion, thirteen billion, three hundred twenty million, two hundred twenty-one thousand, nine hundred twenty-three".