33400440023 has 16 divisors (see below), whose sum is σ = 33928956000. Its totient is φ = 32877312000.

The previous prime is 33400440013. The next prime is 33400440053. The reversal of 33400440023 is 32004400433.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 33400440023 - 2⁶ = 33400439959 is a prime.

It is a super-2 number, since 2×33400440023² (a number of 22 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 (33400440013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8346023 + ... + 8350023.

It is an arithmetic number, because the mean of its divisors is an integer number (2120559750).

Almost surely, 2^33400440023 is an apocalyptic number.

33400440023 is a deficient number, since it is larger than the sum of its proper divisors (528515977).

33400440023 is a wasteful number, since it uses less digits than its factorization.

33400440023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4642.

The product of its (nonzero) digits is 3456, while the sum is 23.

Adding to 33400440023 its reverse (32004400433), we get a palindrome (65404840456).

The spelling of 33400440023 in words is "thirty-three billion, four hundred million, four hundred forty thousand, twenty-three".