142423032105 has 32 divisors (see below), whose sum is σ = 257347278720. Its totient is φ = 74713717440.

The previous prime is 142423032077. The next prime is 142423032107. The reversal of 142423032105 is 501230324241.

142423032105 is a `hidden beast` number, since 1 + 424 + 23 + 0 + 3 + 210 + 5 = 666.

It is not a de Polignac number, because 142423032105 - 2⁷ = 142423031977 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (142423032107) 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, 8639187 + ... + 8655656.

It is an arithmetic number, because the mean of its divisors is an integer number (8042102460).

Almost surely, 2^142423032105 is an apocalyptic number.

142423032105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142423032105 is a deficient number, since it is larger than the sum of its proper divisors (114924246615).

142423032105 is a wasteful number, since it uses less digits than its factorization.

142423032105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17294918 (or 17294912 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 142423032105 its reverse (501230324241), we get a palindrome (643653356346).

The spelling of 142423032105 in words is "one hundred forty-two billion, four hundred twenty-three million, thirty-two thousand, one hundred five".