142403320023 has 32 divisors (see below), whose sum is σ = 195828415680. Its totient is φ = 91979504640.

The previous prime is 142403319991. The next prime is 142403320051. The reversal of 142403320023 is 320023304241.

It is not a de Polignac number, because 142403320023 - 2⁵ = 142403319991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142403319975 and 142403320002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142403320093) 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, 27440713 + ... + 27445901.

It is an arithmetic number, because the mean of its divisors is an integer number (6119637990).

Almost surely, 2^142403320023 is an apocalyptic number.

142403320023 is a deficient number, since it is larger than the sum of its proper divisors (53425095657).

142403320023 is a wasteful number, since it uses less digits than its factorization.

142403320023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6227.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 142403320023 its reverse (320023304241), we get a palindrome (462426624264).

The spelling of 142403320023 in words is "one hundred forty-two billion, four hundred three million, three hundred twenty thousand, twenty-three".