4012033523 has 4 divisors (see below), whose sum is σ = 4048841280. Its totient is φ = 3975225768.

The previous prime is 4012033481. The next prime is 4012033549. The reversal of 4012033523 is 3253302104.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4012033523 - 2¹⁰ = 4012032499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4012032523) 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 3 ways as a sum of consecutive naturals, for example, 18403715 + ... + 18403932.

It is an arithmetic number, because the mean of its divisors is an integer number (1012210320).

Almost surely, 2^4012033523 is an apocalyptic number.

4012033523 is a deficient number, since it is larger than the sum of its proper divisors (36807757).

4012033523 is a wasteful number, since it uses less digits than its factorization.

4012033523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36807756.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 4012033523 is about 63340.6151138430. The cubic root of 4012033523 is about 1588.9912939373.

Adding to 4012033523 its reverse (3253302104), we get a palindrome (7265335627).

The spelling of 4012033523 in words is "four billion, twelve million, thirty-three thousand, five hundred twenty-three".