220423230142 has 16 divisors (see below), whose sum is σ = 331961106960. Its totient is φ = 109770262272.

The previous prime is 220423230101. The next prime is 220423230173. The reversal of 220423230142 is 241032324022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 419209 + ... + 785227.

It is an arithmetic number, because the mean of its divisors is an integer number (20747569185).

Almost surely, 2^220423230142 is an apocalyptic number.

220423230142 is a deficient number, since it is larger than the sum of its proper divisors (111537876818).

220423230142 is a wasteful number, since it uses less digits than its factorization.

220423230142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367227.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 220423230142 its reverse (241032324022), we get a palindrome (461455554164).

The spelling of 220423230142 in words is "two hundred twenty billion, four hundred twenty-three million, two hundred thirty thousand, one hundred forty-two".