923840542 has 8 divisors (see below), whose sum is σ = 1386849816. Its totient is φ = 461557272.

The previous prime is 923840539. The next prime is 923840549. The reversal of 923840542 is 245048329.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (923840549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178308 + ... + 183415.

It is an arithmetic number, because the mean of its divisors is an integer number (173356227).

Almost surely, 2^923840542 is an apocalyptic number.

923840542 is a deficient number, since it is larger than the sum of its proper divisors (463009274).

923840542 is a wasteful number, since it uses less digits than its factorization.

923840542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363002.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 923840542 is about 30394.7453024367. The cubic root of 923840542 is about 973.9403054319.

The spelling of 923840542 in words is "nine hundred twenty-three million, eight hundred forty thousand, five hundred forty-two".