142423443402 has 64 divisors (see below), whose sum is σ = 296530053120. Its totient is φ = 45568051200.

The previous prime is 142423443391. The next prime is 142423443413. The reversal of 142423443402 is 204344324241.

It is an interprime number because it is at equal distance from previous prime (142423443391) and next prime (142423443413).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7335127 + ... + 7354517.

It is an arithmetic number, because the mean of its divisors is an integer number (4633282080).

Almost surely, 2^142423443402 is an apocalyptic number.

142423443402 is an abundant number, since it is smaller than the sum of its proper divisors (154106609718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142423443402 is a wasteful number, since it uses less digits than its factorization.

142423443402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19919.

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 142423443402 its reverse (204344324241), we get a palindrome (346767767643).

The spelling of 142423443402 in words is "one hundred forty-two billion, four hundred twenty-three million, four hundred forty-three thousand, four hundred two".