999023042 has 16 divisors (see below), whose sum is σ = 1550625120. Its totient is φ = 482409312.

The previous prime is 999023029. The next prime is 999023057. The reversal of 999023042 is 240320999.

It is a junction number, because it is equal to n+sod(n) for n = 999022987 and 999023005.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57608 + ... + 72915.

It is an arithmetic number, because the mean of its divisors is an integer number (96914070).

Almost surely, 2^999023042 is an apocalyptic number.

999023042 is a deficient number, since it is larger than the sum of its proper divisors (551602078).

999023042 is a wasteful number, since it uses less digits than its factorization.

999023042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130657.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 999023042 is about 31607.3257647654. The cubic root of 999023042 is about 999.6742412261.

The spelling of 999023042 in words is "nine hundred ninety-nine million, twenty-three thousand, forty-two".