523031743 has 4 divisors (see below), whose sum is σ = 563264968. Its totient is φ = 482798520.

The previous prime is 523031713. The next prime is 523031771. The reversal of 523031743 is 347130325.

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 523031743 - 2²¹ = 520934591 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 (523031713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20116593 + ... + 20116618.

It is an arithmetic number, because the mean of its divisors is an integer number (140816242).

Almost surely, 2^523031743 is an apocalyptic number.

523031743 is a deficient number, since it is larger than the sum of its proper divisors (40233225).

523031743 is a wasteful number, since it uses less digits than its factorization.

523031743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40233224.

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 523031743 is about 22869.8872537667. The cubic root of 523031743 is about 805.7049201323.

The spelling of 523031743 in words is "five hundred twenty-three million, thirty-one thousand, seven hundred forty-three".