33420000123 has 6 divisors (see below), whose sum is σ = 48273333524. Its totient is φ = 22280000076.

The previous prime is 33420000037. The next prime is 33420000149. The reversal of 33420000123 is 32100002433.

It is not a de Polignac number, because 33420000123 - 2¹³ = 33419991931 is a prime.

It is a super-2 number, since 2×33420000123² (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 = 33420000096 and 33420000105.

It is not an unprimeable number, because it can be changed into a prime (33420000023) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1856666665 + ... + 1856666682.

Almost surely, 2^33420000123 is an apocalyptic number.

33420000123 is a deficient number, since it is larger than the sum of its proper divisors (14853333401).

33420000123 is a wasteful number, since it uses less digits than its factorization.

33420000123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3713333353 (or 3713333350 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 33420000123 its reverse (32100002433), we get a palindrome (65520002556).

The spelling of 33420000123 in words is "thirty-three billion, four hundred twenty million, one hundred twenty-three", and thus it is an aban number.