723340743 has 4 divisors (see below), whose sum is σ = 964454328. Its totient is φ = 482227160.

The previous prime is 723340727. The next prime is 723340747. The reversal of 723340743 is 347043327.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 723340743 - 2⁴ = 723340727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (723340747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120556788 + ... + 120556793.

It is an arithmetic number, because the mean of its divisors is an integer number (241113582).

Almost surely, 2^723340743 is an apocalyptic number.

723340743 is a deficient number, since it is larger than the sum of its proper divisors (241113585).

723340743 is a wasteful number, since it uses less digits than its factorization.

723340743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241113584.

The product of its (nonzero) digits is 42336, while the sum is 33.

The square root of 723340743 is about 26894.9947573893. The cubic root of 723340743 is about 897.6650350472.

The spelling of 723340743 in words is "seven hundred twenty-three million, three hundred forty thousand, seven hundred forty-three".