142423001 has 8 divisors (see below), whose sum is σ = 162857280. Its totient is φ = 122010768.

The previous prime is 142422979. The next prime is 142423013. The reversal of 142423001 is 100324241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142423001 is a prime.

It is a super-5 number, since 5×142423001⁵ (a number of 42 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142423081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12095 + ... + 20763.

It is an arithmetic number, because the mean of its divisors is an integer number (20357160).

Almost surely, 2^142423001 is an apocalyptic number.

It is an amenable number.

142423001 is a deficient number, since it is larger than the sum of its proper divisors (20434279).

142423001 is an equidigital number, since it uses as much as digits as its factorization.

142423001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11023.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 142423001 is about 11934.1108173169. The cubic root of 142423001 is about 522.2278686394.

Adding to 142423001 its reverse (100324241), we get a palindrome (242747242).

The spelling of 142423001 in words is "one hundred forty-two million, four hundred twenty-three thousand, one".