823619942 has 8 divisors (see below), whose sum is σ = 1300452600. Its totient is φ = 390135744.

The previous prime is 823619939. The next prime is 823619977. The reversal of 823619942 is 249916328.

823619942 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 823619893 and 823619902.

It is a congruent number.

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, 10837067 + ... + 10837142.

It is an arithmetic number, because the mean of its divisors is an integer number (162556575).

Almost surely, 2^823619942 is an apocalyptic number.

823619942 is a deficient number, since it is larger than the sum of its proper divisors (476832658).

823619942 is a wasteful number, since it uses less digits than its factorization.

823619942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21674230.

The product of its digits is 186624, while the sum is 44.

The square root of 823619942 is about 28698.7794513983. The cubic root of 823619942 is about 937.3654698101.

The spelling of 823619942 in words is "eight hundred twenty-three million, six hundred nineteen thousand, nine hundred forty-two".