923678442 has 48 divisors (see below), whose sum is σ = 2168337600. Its totient is φ = 283038336.

The previous prime is 923678429. The next prime is 923678467. The reversal of 923678442 is 244876329.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 21942 + ... + 48257.

It is an arithmetic number, because the mean of its divisors is an integer number (45173700).

Almost surely, 2^923678442 is an apocalyptic number.

923678442 is an abundant number, since it is smaller than the sum of its proper divisors (1244659158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

923678442 is a wasteful number, since it uses less digits than its factorization.

923678442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70267 (or 70264 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 923678442 is about 30392.0786061105. The cubic root of 923678442 is about 973.8833385453.

It can be divided in two parts, 923678 and 442, that added together give a triangular number (924120 = T₁₃₅₉).

The spelling of 923678442 in words is "nine hundred twenty-three million, six hundred seventy-eight thousand, four hundred forty-two".