123743143 has 4 divisors (see below), whose sum is σ = 130255960. Its totient is φ = 117230328.

The previous prime is 123743129. The next prime is 123743167. The reversal of 123743143 is 341347321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341347321 = 7 ⋅48763903.

It is a cyclic number.

It is not a de Polignac number, because 123743143 - 2⁵ = 123743111 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 (123744143) 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, 3256380 + ... + 3256417.

It is an arithmetic number, because the mean of its divisors is an integer number (32563990).

Almost surely, 2^123743143 is an apocalyptic number.

123743143 is a deficient number, since it is larger than the sum of its proper divisors (6512817).

123743143 is an equidigital number, since it uses as much as digits as its factorization.

123743143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6512816.

The product of its digits is 6048, while the sum is 28.

The square root of 123743143 is about 11123.9895271436. The cubic root of 123743143 is about 498.3185424060.

The spelling of 123743143 in words is "one hundred twenty-three million, seven hundred forty-three thousand, one hundred forty-three".