33421104123 has 32 divisors (see below), whose sum is σ = 50205394944. Its totient is φ = 19592160000.

The previous prime is 33421104103. The next prime is 33421104131. The reversal of 33421104123 is 32140112433.

It is a happy number.

It is not a de Polignac number, because 33421104123 - 2⁵ = 33421104091 is a prime.

It is a super-2 number, since 2×33421104123² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33421104093 and 33421104102.

It is not an unprimeable number, because it can be changed into a prime (33421104103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2428903 + ... + 2442623.

It is an arithmetic number, because the mean of its divisors is an integer number (1568918592).

Almost surely, 2^33421104123 is an apocalyptic number.

33421104123 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

33421104123 is a deficient number, since it is larger than the sum of its proper divisors (16784290821).

33421104123 is a wasteful number, since it uses less digits than its factorization.

33421104123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16147.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 33421104123 its reverse (32140112433), we get a palindrome (65561216556).

The spelling of 33421104123 in words is "thirty-three billion, four hundred twenty-one million, one hundred four thousand, one hundred twenty-three".