7520453823 has 16 divisors (see below), whose sum is σ = 10287125856. Its totient is φ = 4884072960.

The previous prime is 7520453813. The next prime is 7520453827. The reversal of 7520453823 is 3283540257.

It is not a de Polignac number, because 7520453823 - 2¹⁶ = 7520388287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7520453827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38115 + ... + 128427.

It is an arithmetic number, because the mean of its divisors is an integer number (642945366).

Almost surely, 2^7520453823 is an apocalyptic number.

7520453823 is a deficient number, since it is larger than the sum of its proper divisors (2766672033).

7520453823 is a wasteful number, since it uses less digits than its factorization.

7520453823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91034.

The product of its (nonzero) digits is 201600, while the sum is 39.

The square root of 7520453823 is about 86720.5501769909. The cubic root of 7520453823 is about 1959.2116278712.

The spelling of 7520453823 in words is "seven billion, five hundred twenty million, four hundred fifty-three thousand, eight hundred twenty-three".