142423044331 has 2 divisors, whose sum is σ = 142423044332. Its totient is φ = 142423044330.

The previous prime is 142423044307. The next prime is 142423044359. The reversal of 142423044331 is 133440324241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142423044331 - 2¹⁹ = 142422520043 is a prime.

It is a super-2 number, since 2×142423044331² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 142423044293 and 142423044302.

It is not a weakly prime, because it can be changed into another prime (142423074331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71211522165 + 71211522166.

It is an arithmetic number, because the mean of its divisors is an integer number (71211522166).

Almost surely, 2^142423044331 is an apocalyptic number.

142423044331 is a deficient number, since it is larger than the sum of its proper divisors (1).

142423044331 is an equidigital number, since it uses as much as digits as its factorization.

142423044331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 142423044331 its reverse (133440324241), we get a palindrome (275863368572).

The spelling of 142423044331 in words is "one hundred forty-two billion, four hundred twenty-three million, forty-four thousand, three hundred thirty-one".