33423423011111 has 4 divisors (see below), whose sum is σ = 38198197726992. Its totient is φ = 28648648295232.

The previous prime is 33423423011063. The next prime is 33423423011227. The reversal of 33423423011111 is 11111032432433.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 33423423011111 - 2²⁶ = 33423355902247 is a prime.

It is a super-2 number, since 2×33423423011111² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33423423019111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2387387357930 + ... + 2387387357943.

It is an arithmetic number, because the mean of its divisors is an integer number (9549549431748).

Almost surely, 2^{33423423011111} is an apocalyptic number.

33423423011111 is a deficient number, since it is larger than the sum of its proper divisors (4774774715881).

33423423011111 is an equidigital number, since it uses as much as digits as its factorization.

33423423011111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4774774715880.

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 33423423011111 its reverse (11111032432433), we get a palindrome (44534455443544).

The spelling of 33423423011111 in words is "thirty-three trillion, four hundred twenty-three billion, four hundred twenty-three million, eleven thousand, one hundred eleven".