33504211423 has 4 divisors (see below), whose sum is σ = 33507197928. Its totient is φ = 33501224920.

The previous prime is 33504211331. The next prime is 33504211441. The reversal of 33504211423 is 32411240533.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 33504211423 - 2²¹ = 33502114271 is a prime.

It is a super-2 number, since 2×33504211423² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33504211391 and 33504211400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33504211463) 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, 1476361 + ... + 1498882.

It is an arithmetic number, because the mean of its divisors is an integer number (8376799482).

Almost surely, 2^33504211423 is an apocalyptic number.

33504211423 is a deficient number, since it is larger than the sum of its proper divisors (2986505).

33504211423 is a wasteful number, since it uses less digits than its factorization.

33504211423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2986504.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 33504211423 its reverse (32411240533), we get a palindrome (65915451956).

The spelling of 33504211423 in words is "thirty-three billion, five hundred four million, two hundred eleven thousand, four hundred twenty-three".