142423233331 has 16 divisors (see below), whose sum is σ = 153976204800. Its totient is φ = 131299303968.

The previous prime is 142423233317. The next prime is 142423233347. The reversal of 142423233331 is 133332324241.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 142423233331 - 2⁵ = 142423233299 is a prime.

It is a super-2 number, since 2×142423233331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142423233293 and 142423233302.

It is not an unprimeable number, because it can be changed into a prime (142423233311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104251 + ... + 543796.

It is an arithmetic number, because the mean of its divisors is an integer number (9623512800).

Almost surely, 2^142423233331 is an apocalyptic number.

142423233331 is a deficient number, since it is larger than the sum of its proper divisors (11552971469).

142423233331 is a wasteful number, since it uses less digits than its factorization.

142423233331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648378.

The product of its digits is 31104, while the sum is 31.

Adding to 142423233331 its reverse (133332324241), we get a palindrome (275755557572).

The spelling of 142423233331 in words is "one hundred forty-two billion, four hundred twenty-three million, two hundred thirty-three thousand, three hundred thirty-one".