723141225 has 18 divisors (see below), whose sum is σ = 1295226686. Its totient is φ = 385675200.

The previous prime is 723141217. The next prime is 723141233. The reversal of 723141225 is 522141327.

It is an interprime number because it is at equal distance from previous prime (723141217) and next prime (723141233).

It can be written as a sum of positive squares in 3 ways, for example, as 38638656 + 684502569 = 6216^2 + 26163^2 .

It is not a de Polignac number, because 723141225 - 2³ = 723141217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 1606756 + ... + 1607205.

Almost surely, 2^723141225 is an apocalyptic number.

723141225 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

723141225 is a deficient number, since it is larger than the sum of its proper divisors (572085461).

723141225 is a wasteful number, since it uses less digits than its factorization.

723141225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3213977 (or 3213969 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 723141225 is about 26891.2852984010. The cubic root of 723141225 is about 897.5824935877.

The spelling of 723141225 in words is "seven hundred twenty-three million, one hundred forty-one thousand, two hundred twenty-five".