4023345525 has 24 divisors (see below), whose sum is σ = 6806632800. Its totient is φ = 2095880640.

The previous prime is 4023345517. The next prime is 4023345581. The reversal of 4023345525 is 5255433204.

It is a happy number.

It is not a de Polignac number, because 4023345525 - 2³ = 4023345517 is a prime.

It is a super-4 number, since 4×4023345525⁴ (a number of 40 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 620550 + ... + 626999.

It is an arithmetic number, because the mean of its divisors is an integer number (283609700).

Almost surely, 2^4023345525 is an apocalyptic number.

It is an amenable number.

4023345525 is a deficient number, since it is larger than the sum of its proper divisors (2783287275).

4023345525 is a wasteful number, since it uses less digits than its factorization.

4023345525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1247605 (or 1247600 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 33.

The square root of 4023345525 is about 63429.8472724001. The cubic root of 4023345525 is about 1590.4832892640.

Adding to 4023345525 its reverse (5255433204), we get a palindrome (9278778729).

It can be divided in two parts, 40233 and 45525, that added together give a palindrome (85758).

The spelling of 4023345525 in words is "four billion, twenty-three million, three hundred forty-five thousand, five hundred twenty-five".