101043123143 has 4 divisors (see below), whose sum is σ = 101663019768. Its totient is φ = 100423226520.

The previous prime is 101043123127. The next prime is 101043123173. The reversal of 101043123143 is 341321340101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 101043123143 - 2⁴ = 101043123127 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 (101043123173) 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, 309948068 + ... + 309948393.

It is an arithmetic number, because the mean of its divisors is an integer number (25415754942).

Almost surely, 2^101043123143 is an apocalyptic number.

101043123143 is a deficient number, since it is larger than the sum of its proper divisors (619896625).

101043123143 is an equidigital number, since it uses as much as digits as its factorization.

101043123143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619896624.

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

Adding to 101043123143 its reverse (341321340101), we get a palindrome (442364463244).

The spelling of 101043123143 in words is "one hundred one billion, forty-three million, one hundred twenty-three thousand, one hundred forty-three".