142423222011 has 64 divisors (see below), whose sum is σ = 221984587776. Its totient is φ = 79552368000.

The previous prime is 142423222003. The next prime is 142423222021. The reversal of 142423222011 is 110222324241.

It is not a de Polignac number, because 142423222011 - 2³ = 142423222003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142423222001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 60067656 + ... + 60070026.

It is an arithmetic number, because the mean of its divisors is an integer number (3468509184).

Almost surely, 2^142423222011 is an apocalyptic number.

142423222011 is a deficient number, since it is larger than the sum of its proper divisors (79561365765).

142423222011 is a wasteful number, since it uses less digits than its factorization.

142423222011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2832.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 142423222011 its reverse (110222324241), we get a palindrome (252645546252).

The spelling of 142423222011 in words is "one hundred forty-two billion, four hundred twenty-three million, two hundred twenty-two thousand, eleven".