723925541 has 2 divisors, whose sum is σ = 723925542. Its totient is φ = 723925540.

The previous prime is 723925507. The next prime is 723925577. The reversal of 723925541 is 145529327.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 429940225 + 293985316 = 20735^2 + 17146^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-723925541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 723925495 and 723925504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (723922541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361962770 + 361962771.

It is an arithmetic number, because the mean of its divisors is an integer number (361962771).

Almost surely, 2^723925541 is an apocalyptic number.

It is an amenable number.

723925541 is a deficient number, since it is larger than the sum of its proper divisors (1).

723925541 is an equidigital number, since it uses as much as digits as its factorization.

723925541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75600, while the sum is 38.

The square root of 723925541 is about 26905.8644351004. The cubic root of 723925541 is about 897.9068811005.

The spelling of 723925541 in words is "seven hundred twenty-three million, nine hundred twenty-five thousand, five hundred forty-one".