142423664433 has 32 divisors (see below), whose sum is σ = 195445401984. Its totient is φ = 92198400000.

The previous prime is 142423664429. The next prime is 142423664459. The reversal of 142423664433 is 334466324241.

It is not a de Polignac number, because 142423664433 - 2² = 142423664429 is a prime.

It is a super-2 number, since 2×142423664433² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142423664413) 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, 24214653 + ... + 24220533.

It is an arithmetic number, because the mean of its divisors is an integer number (6107668812).

Almost surely, 2^142423664433 is an apocalyptic number.

It is an amenable number.

142423664433 is a deficient number, since it is larger than the sum of its proper divisors (53021737551).

142423664433 is a wasteful number, since it uses less digits than its factorization.

142423664433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6817.

The product of its digits is 995328, while the sum is 42.

Adding to 142423664433 its reverse (334466324241), we get a palindrome (476889988674).

The spelling of 142423664433 in words is "one hundred forty-two billion, four hundred twenty-three million, six hundred sixty-four thousand, four hundred thirty-three".