723554541 has 12 divisors (see below), whose sum is σ = 1049474140. Its totient is φ = 480366720.

The previous prime is 723554537. The next prime is 723554543. The reversal of 723554541 is 145455327.

723554541 is a `hidden beast` number, since 72 + 3 + 5 + 545 + 41 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 585398025 + 138156516 = 24195^2 + 11754^2 .

It is not a de Polignac number, because 723554541 - 2² = 723554537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 723554496 and 723554505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (723554543) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 164626 + ... + 168963.

Almost surely, 2^723554541 is an apocalyptic number.

It is an amenable number.

723554541 is a deficient number, since it is larger than the sum of its proper divisors (325919599).

723554541 is a wasteful number, since it uses less digits than its factorization.

723554541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333836 (or 333833 counting only the distinct ones).

The product of its digits is 84000, while the sum is 36.

The square root of 723554541 is about 26898.9691438166. The cubic root of 723554541 is about 897.7534673597.

It can be divided in two parts, 7235 and 54541, that added together give a triangular number (61776 = T₃₅₁).

The spelling of 723554541 in words is "seven hundred twenty-three million, five hundred fifty-four thousand, five hundred forty-one".