4023545515 has 16 divisors (see below), whose sum is σ = 5290822656. Its totient is φ = 2913084000.

The previous prime is 4023545479. The next prime is 4023545527. The reversal of 4023545515 is 5155453204.

It is not a de Polignac number, because 4023545515 - 2⁷ = 4023545387 is a prime.

It is a super-2 number, since 2×4023545515² = 32377837022553230450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151761 + ... + 176290.

It is an arithmetic number, because the mean of its divisors is an integer number (330676416).

Almost surely, 2^4023545515 is an apocalyptic number.

4023545515 is a deficient number, since it is larger than the sum of its proper divisors (1267277141).

4023545515 is a wasteful number, since it uses less digits than its factorization.

4023545515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328290.

The product of its (nonzero) digits is 60000, while the sum is 34.

The square root of 4023545515 is about 63431.4237188477. The cubic root of 4023545515 is about 1590.5096417511.

Adding to 4023545515 its reverse (5155453204), we get a palindrome (9178998719).

The spelling of 4023545515 in words is "four billion, twenty-three million, five hundred forty-five thousand, five hundred fifteen".