142319723 has 32 divisors (see below), whose sum is σ = 184267776. Its totient is φ = 106904448.

The previous prime is 142319719. The next prime is 142319731. The reversal of 142319723 is 327913241.

142319723 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 142319723 - 2² = 142319719 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142319723.

It is not an unprimeable number, because it can be changed into a prime (142319743) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 144290 + ... + 145272.

It is an arithmetic number, because the mean of its divisors is an integer number (5758368).

Almost surely, 2^142319723 is an apocalyptic number.

142319723 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

142319723 is a deficient number, since it is larger than the sum of its proper divisors (41948053).

142319723 is a wasteful number, since it uses less digits than its factorization.

142319723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083.

The product of its digits is 9072, while the sum is 32.

The square root of 142319723 is about 11929.7830240118. The cubic root of 142319723 is about 522.1016069832.

The spelling of 142319723 in words is "one hundred forty-two million, three hundred nineteen thousand, seven hundred twenty-three".