723845541 has 8 divisors (see below), whose sum is σ = 991212064. Its totient is φ = 469521360.

The previous prime is 723845519. The next prime is 723845561. The reversal of 723845541 is 145548327.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 723845541 - 2¹⁸ = 723583397 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 723845541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (723845561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3260455 + ... + 3260676.

It is an arithmetic number, because the mean of its divisors is an integer number (123901508).

Almost surely, 2^723845541 is an apocalyptic number.

It is an amenable number.

723845541 is a deficient number, since it is larger than the sum of its proper divisors (267366523).

723845541 is a wasteful number, since it uses less digits than its factorization.

723845541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6521171.

The product of its digits is 134400, while the sum is 39.

The square root of 723845541 is about 26904.3777292841. The cubic root of 723845541 is about 897.8738044037.

The spelling of 723845541 in words is "seven hundred twenty-three million, eight hundred forty-five thousand, five hundred forty-one".