2143023101 has 4 divisors (see below), whose sum is σ = 2143284672. Its totient is φ = 2142761532.

The previous prime is 2143023097. The next prime is 2143023107. The reversal of 2143023101 is 1013203412.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2143023101 - 2² = 2143023097 is a prime.

It is a super-2 number, since 2×2143023101² = 9185096022839312402, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2143023101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143023107) 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, 118085 + ... + 135018.

It is an arithmetic number, because the mean of its divisors is an integer number (535821168).

Almost surely, 2^2143023101 is an apocalyptic number.

It is an amenable number.

2143023101 is a deficient number, since it is larger than the sum of its proper divisors (261571).

2143023101 is an equidigital number, since it uses as much as digits as its factorization.

2143023101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261570.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2143023101 is about 46292.7975067396. The cubic root of 2143023101 is about 1289.2652709707.

Adding to 2143023101 its reverse (1013203412), we get a palindrome (3156226513).

The spelling of 2143023101 in words is "two billion, one hundred forty-three million, twenty-three thousand, one hundred one".