725540606823 has 8 divisors (see below), whose sum is σ = 969685309936. Its totient is φ = 482544820800.

The previous prime is 725540606809. The next prime is 725540606873. The reversal of 725540606823 is 328606045527.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 725540606823 - 2¹⁰ = 725540605799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725540606803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 287227798 + ... + 287230323.

It is an arithmetic number, because the mean of its divisors is an integer number (121210663742).

Almost surely, 2^725540606823 is an apocalyptic number.

725540606823 is a deficient number, since it is larger than the sum of its proper divisors (244144703113).

725540606823 is a wasteful number, since it uses less digits than its factorization.

725540606823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574458545.

The product of its (nonzero) digits is 2419200, while the sum is 48.

The spelling of 725540606823 in words is "seven hundred twenty-five billion, five hundred forty million, six hundred six thousand, eight hundred twenty-three".