143442422123 has 48 divisors (see below), whose sum is σ = 195471568320. Its totient is φ = 102421186560.

The previous prime is 143442422119. The next prime is 143442422147. The reversal of 143442422123 is 321224244341.

It is a happy number.

It is not a de Polignac number, because 143442422123 - 2² = 143442422119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 143442422123.

It is not an unprimeable number, because it can be changed into a prime (143442422423) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1460963 + ... + 1556051.

It is an arithmetic number, because the mean of its divisors is an integer number (4072324340).

Almost surely, 2^143442422123 is an apocalyptic number.

143442422123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

143442422123 is a deficient number, since it is larger than the sum of its proper divisors (52029146197).

143442422123 is a wasteful number, since it uses less digits than its factorization.

143442422123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95268 (or 95257 counting only the distinct ones).

The product of its digits is 36864, while the sum is 32.

Adding to 143442422123 its reverse (321224244341), we get a palindrome (464666666464).

It can be divided in two parts, 143442 and 422123, that added together give a palindrome (565565).

The spelling of 143442422123 in words is "one hundred forty-three billion, four hundred forty-two million, four hundred twenty-two thousand, one hundred twenty-three".