33420504523 has 16 divisors (see below), whose sum is σ = 39699797760. Its totient is φ = 27536102496.

The previous prime is 33420504517. The next prime is 33420504577. The reversal of 33420504523 is 32540502433.

It is a de Polignac number, because none of the positive numbers 2^k-33420504523 is a prime.

It is a super-2 number, since 2×33420504523² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33420504823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 755833 + ... + 798826.

It is an arithmetic number, because the mean of its divisors is an integer number (2481237360).

Almost surely, 2^33420504523 is an apocalyptic number.

33420504523 is a deficient number, since it is larger than the sum of its proper divisors (6279293237).

33420504523 is a wasteful number, since it uses less digits than its factorization.

33420504523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1554786.

The product of its (nonzero) digits is 43200, while the sum is 31.

The spelling of 33420504523 in words is "thirty-three billion, four hundred twenty million, five hundred four thousand, five hundred twenty-three".