142203233 has 2 divisors, whose sum is σ = 142203234. Its totient is φ = 142203232.

The previous prime is 142203223. The next prime is 142203241. The reversal of 142203233 is 332302241.

142203233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119858704 + 22344529 = 10948^2 + 4727^2 .

It is an emirp because it is prime and its reverse (332302241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142203233 - 2¹⁰ = 142202209 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (142203223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71101616 + 71101617.

It is an arithmetic number, because the mean of its divisors is an integer number (71101617).

Almost surely, 2^142203233 is an apocalyptic number.

It is an amenable number.

142203233 is a deficient number, since it is larger than the sum of its proper divisors (1).

142203233 is an equidigital number, since it uses as much as digits as its factorization.

142203233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 142203233 is about 11924.8997060772. The cubic root of 142203233 is about 521.9591197807.

Adding to 142203233 its reverse (332302241), we get a palindrome (474505474).

The spelling of 142203233 in words is "one hundred forty-two million, two hundred three thousand, two hundred thirty-three".