123162143 has 8 divisors (see below), whose sum is σ = 132930336. Its totient is φ = 113436000.

The previous prime is 123162133. The next prime is 123162157. The reversal of 123162143 is 341261321.

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

It is a cyclic number.

It is not a de Polignac number, because 123162143 - 2⁸ = 123161887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123162103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4283 + ... + 16268.

It is an arithmetic number, because the mean of its divisors is an integer number (16616292).

Almost surely, 2^123162143 is an apocalyptic number.

123162143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

123162143 is a deficient number, since it is larger than the sum of its proper divisors (9768193).

123162143 is a wasteful number, since it uses less digits than its factorization.

123162143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21025.

The product of its digits is 864, while the sum is 23.

The square root of 123162143 is about 11097.8440699084. The cubic root of 123162143 is about 497.5374152647.

The spelling of 123162143 in words is "one hundred twenty-three million, one hundred sixty-two thousand, one hundred forty-three".