423720743 has 16 divisors (see below), whose sum is σ = 452454336. Its totient is φ = 395915520.

The previous prime is 423720709. The next prime is 423720751. The reversal of 423720743 is 347027324.

It is a cyclic number.

It is not a de Polignac number, because 423720743 - 2⁸ = 423720487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423720793) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 341921 + ... + 343157.

It is an arithmetic number, because the mean of its divisors is an integer number (28278396).

Almost surely, 2^423720743 is an apocalyptic number.

423720743 is a deficient number, since it is larger than the sum of its proper divisors (28733593).

423720743 is a wasteful number, since it uses less digits than its factorization.

423720743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1594.

The product of its (nonzero) digits is 28224, while the sum is 32.

The square root of 423720743 is about 20584.4782056772. The cubic root of 423720743 is about 751.0921823745.

The spelling of 423720743 in words is "four hundred twenty-three million, seven hundred twenty thousand, seven hundred forty-three".