723423625 has 8 divisors (see below), whose sum is σ = 902832840. Its totient is φ = 578738800.

The previous prime is 723423611. The next prime is 723423653. The reversal of 723423625 is 526324327.

It can be written as a sum of positive squares in 4 ways, for example, as 17405584 + 706018041 = 4172^2 + 26571^2 .

It is not a de Polignac number, because 723423625 - 2¹¹ = 723421577 is a prime.

It is a super-3 number, since 3×723423625³ (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2893570 + ... + 2893819.

It is an arithmetic number, because the mean of its divisors is an integer number (112854105).

Almost surely, 2^723423625 is an apocalyptic number.

It is an amenable number.

723423625 is a deficient number, since it is larger than the sum of its proper divisors (179409215).

723423625 is an equidigital number, since it uses as much as digits as its factorization.

723423625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5787404 (or 5787394 counting only the distinct ones).

The product of its digits is 60480, while the sum is 34.

The square root of 723423625 is about 26896.5355575769. The cubic root of 723423625 is about 897.6993192269.

The spelling of 723423625 in words is "seven hundred twenty-three million, four hundred twenty-three thousand, six hundred twenty-five".