12345667143 has 16 divisors (see below), whose sum is σ = 16984450560. Its totient is φ = 7972275456.

The previous prime is 12345667133. The next prime is 12345667157. The reversal of 12345667143 is 34176654321.

It is not a de Polignac number, because 12345667143 - 2⁴ = 12345667127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12345667095 and 12345667104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12345667133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 437653 + ... + 465006.

It is an arithmetic number, because the mean of its divisors is an integer number (1061528160).

Almost surely, 2^12345667143 is an apocalyptic number.

12345667143 is a deficient number, since it is larger than the sum of its proper divisors (4638783417).

12345667143 is an equidigital number, since it uses as much as digits as its factorization.

12345667143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902806.

The product of its digits is 362880, while the sum is 42.

The spelling of 12345667143 in words is "twelve billion, three hundred forty-five million, six hundred sixty-seven thousand, one hundred forty-three".