723276543 has 48 divisors (see below), whose sum is σ = 1126419840. Its totient is φ = 409305600.

The previous prime is 723276539. The next prime is 723276581. The reversal of 723276543 is 345672327.

It is not a de Polignac number, because 723276543 - 2² = 723276539 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (723276143) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1725988 + ... + 1726406.

It is an arithmetic number, because the mean of its divisors is an integer number (23467080).

Almost surely, 2^723276543 is an apocalyptic number.

723276543 is a deficient number, since it is larger than the sum of its proper divisors (403143297).

723276543 is a wasteful number, since it uses less digits than its factorization.

723276543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648 (or 631 counting only the distinct ones).

The product of its digits is 211680, while the sum is 39.

The square root of 723276543 is about 26893.8012002766. The cubic root of 723276543 is about 897.6384768860.

The spelling of 723276543 in words is "seven hundred twenty-three million, two hundred seventy-six thousand, five hundred forty-three".