142423224031 has 16 divisors (see below), whose sum is σ = 157089104928. Its totient is φ = 128046672000.

The previous prime is 142423224023. The next prime is 142423224071. The reversal of 142423224031 is 130422324241.

It is a cyclic number.

It is not a de Polignac number, because 142423224031 - 2³ = 142423224023 is a prime.

It is a super-2 number, since 2×142423224031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142423224071) 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, 901261 + ... + 1047433.

It is an arithmetic number, because the mean of its divisors is an integer number (9818069058).

Almost surely, 2^142423224031 is an apocalyptic number.

142423224031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

142423224031 is a deficient number, since it is larger than the sum of its proper divisors (14665880897).

142423224031 is a wasteful number, since it uses less digits than its factorization.

142423224031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147162.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 142423224031 its reverse (130422324241), we get a palindrome (272845548272).

The spelling of 142423224031 in words is "one hundred forty-two billion, four hundred twenty-three million, two hundred twenty-four thousand, thirty-one".