142023001 has 2 divisors, whose sum is σ = 142023002. Its totient is φ = 142023000.

The previous prime is 142022989. The next prime is 142023017. The reversal of 142023001 is 100320241.

142023001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 133379401 + 8643600 = 11549^2 + 2940^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142023001 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (142023031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71011500 + 71011501.

It is an arithmetic number, because the mean of its divisors is an integer number (71011501).

Almost surely, 2^142023001 is an apocalyptic number.

It is an amenable number.

142023001 is a deficient number, since it is larger than the sum of its proper divisors (1).

142023001 is an equidigital number, since it uses as much as digits as its factorization.

142023001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 142023001 is about 11917.3403492558. The cubic root of 142023001 is about 521.7385117914.

Adding to 142023001 its reverse (100320241), we get a palindrome (242343242).

The spelling of 142023001 in words is "one hundred forty-two million, twenty-three thousand, one".