142003323 has 72 divisors (see below), whose sum is σ = 264519216. Its totient is φ = 72576000.

The previous prime is 142003307. The next prime is 142003331. The reversal of 142003323 is 323300241.

It is not a de Polignac number, because 142003323 - 2⁴ = 142003307 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142003296 and 142003305.

It is not an unprimeable number, because it can be changed into a prime (142003223) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 353923 + ... + 354323.

It is an arithmetic number, because the mean of its divisors is an integer number (3673878).

Almost surely, 2^142003323 is an apocalyptic number.

142003323 is a deficient number, since it is larger than the sum of its proper divisors (122515893).

142003323 is a wasteful number, since it uses less digits than its factorization.

142003323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505 (or 495 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 142003323 is about 11916.5147169800. The cubic root of 142003323 is about 521.7144141815.

Adding to 142003323 its reverse (323300241), we get a palindrome (465303564).

The spelling of 142003323 in words is "one hundred forty-two million, three thousand, three hundred twenty-three".