823411942 has 8 divisors (see below), whose sum is σ = 1246449600. Its totient is φ = 407928744.

The previous prime is 823411931. The next prime is 823411943. The reversal of 823411942 is 249114328.

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

It is a super-2 number, since 2×823411942² = 1356014452456422728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 823411898 and 823411907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (823411943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1888342 + ... + 1888777.

It is an arithmetic number, because the mean of its divisors is an integer number (155806200).

Almost surely, 2^823411942 is an apocalyptic number.

823411942 is a deficient number, since it is larger than the sum of its proper divisors (423037658).

823411942 is a wasteful number, since it uses less digits than its factorization.

823411942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3777230.

The product of its digits is 13824, while the sum is 34.

The square root of 823411942 is about 28695.1553750803. The cubic root of 823411942 is about 937.2865545956.

The spelling of 823411942 in words is "eight hundred twenty-three million, four hundred eleven thousand, nine hundred forty-two".