142623203 has 4 divisors (see below), whose sum is σ = 144428640. Its totient is φ = 140817768.

The previous prime is 142623191. The next prime is 142623209. The reversal of 142623203 is 302326241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 302326241 = 7 ⋅43189463.

It is a cyclic number.

It is not a de Polignac number, because 142623203 - 2¹⁴ = 142606819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142623209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 902600 + ... + 902757.

It is an arithmetic number, because the mean of its divisors is an integer number (36107160).

Almost surely, 2^142623203 is an apocalyptic number.

142623203 is a deficient number, since it is larger than the sum of its proper divisors (1805437).

142623203 is an equidigital number, since it uses as much as digits as its factorization.

142623203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1805436.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 142623203 is about 11942.4956772025. The cubic root of 142623203 is about 522.4724501854.

Adding to 142623203 its reverse (302326241), we get a palindrome (444949444).

The spelling of 142623203 in words is "one hundred forty-two million, six hundred twenty-three thousand, two hundred three".