143340023 has 4 divisors (see below), whose sum is σ = 143367120. Its totient is φ = 143312928.

The previous prime is 143340019. The next prime is 143340079. The reversal of 143340023 is 320043341.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320043341 = 1949 ⋅164209.

It is a cyclic number.

It is not a de Polignac number, because 143340023 - 2² = 143340019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 143339977 and 143340004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143340013) 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, 2738 + ... + 17151.

It is an arithmetic number, because the mean of its divisors is an integer number (35841780).

Almost surely, 2^143340023 is an apocalyptic number.

143340023 is a deficient number, since it is larger than the sum of its proper divisors (27097).

143340023 is an equidigital number, since it uses as much as digits as its factorization.

143340023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27096.

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

The square root of 143340023 is about 11972.4693777015. The cubic root of 143340023 is about 523.3462981989.

Adding to 143340023 its reverse (320043341), we get a palindrome (463383364).

The spelling of 143340023 in words is "one hundred forty-three million, three hundred forty thousand, twenty-three".