725823103 has 4 divisors (see below), whose sum is σ = 726718888. Its totient is φ = 724927320.

The previous prime is 725823083. The next prime is 725823113. The reversal of 725823103 is 301328527.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 301328527 = 223 ⋅1351249.

It is a cyclic number.

It is not a de Polignac number, because 725823103 - 2¹⁷ = 725692031 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 (725823113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 446676 + ... + 448297.

It is an arithmetic number, because the mean of its divisors is an integer number (181679722).

Almost surely, 2^725823103 is an apocalyptic number.

725823103 is a deficient number, since it is larger than the sum of its proper divisors (895785).

725823103 is an equidigital number, since it uses as much as digits as its factorization.

725823103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895784.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 725823103 is about 26941.1043389093. The cubic root of 725823103 is about 898.6907312534.

The spelling of 725823103 in words is "seven hundred twenty-five million, eight hundred twenty-three thousand, one hundred three".