723823142 has 16 divisors (see below), whose sum is σ = 1244811552. Its totient is φ = 309216960.

The previous prime is 723823141. The next prime is 723823153. The reversal of 723823142 is 241328327.

It is a super-3 number, since 3×723823142³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 723823099 and 723823108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (723823141) 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 7 ways as a sum of consecutive naturals, for example, 78209 + ... + 86972.

It is an arithmetic number, because the mean of its divisors is an integer number (77800722).

Almost surely, 2^723823142 is an apocalyptic number.

723823142 is a deficient number, since it is larger than the sum of its proper divisors (520988410).

723823142 is a wasteful number, since it uses less digits than its factorization.

723823142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165503.

The product of its digits is 16128, while the sum is 32.

The square root of 723823142 is about 26903.9614555180. The cubic root of 723823142 is about 897.8645429054.

The spelling of 723823142 in words is "seven hundred twenty-three million, eight hundred twenty-three thousand, one hundred forty-two".