33340440123 has 24 divisors (see below), whose sum is σ = 48442492800. Its totient is φ = 22096195584.

The previous prime is 33340440113. The next prime is 33340440151. The reversal of 33340440123 is 32104404333.

It is a de Polignac number, because none of the positive numbers 2^k-33340440123 is a prime.

It is a super-2 number, since 2×33340440123² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33340440113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1163158 + ... + 1191476.

It is an arithmetic number, because the mean of its divisors is an integer number (2018437200).

Almost surely, 2^33340440123 is an apocalyptic number.

33340440123 is a deficient number, since it is larger than the sum of its proper divisors (15102052677).

33340440123 is a wasteful number, since it uses less digits than its factorization.

33340440123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29091 (or 29088 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 33340440123 its reverse (32104404333), we get a palindrome (65444844456).

The spelling of 33340440123 in words is "thirty-three billion, three hundred forty million, four hundred forty thousand, one hundred twenty-three".