923430545 has 4 divisors (see below), whose sum is σ = 1108116660. Its totient is φ = 738744432.

The previous prime is 923430523. The next prime is 923430569. The reversal of 923430545 is 545034329.

923430545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 30388²+1.

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

It can be written as a sum of positive squares in 2 ways, for example, as 332405824 + 591024721 = 18232^2 + 24311^2 .

It is a cyclic number.

It is not a de Polignac number, because 923430545 - 2⁶ = 923430481 is a prime.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92343050 + ... + 92343059.

It is an arithmetic number, because the mean of its divisors is an integer number (277029165).

Almost surely, 2^923430545 is an apocalyptic number.

It is an amenable number.

923430545 is a deficient number, since it is larger than the sum of its proper divisors (184686115).

923430545 is a wasteful number, since it uses less digits than its factorization.

923430545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184686114.

The product of its (nonzero) digits is 64800, while the sum is 35.

The square root of 923430545 is about 30388.0000164539. Note that the first 4 decimals coincide. The cubic root of 923430545 is about 973.7962070834.

The spelling of 923430545 in words is "nine hundred twenty-three million, four hundred thirty thousand, five hundred forty-five".