2141440123 has 4 divisors (see below), whose sum is σ = 2168547040. Its totient is φ = 2114333208.

The previous prime is 2141440117. The next prime is 2141440129. The reversal of 2141440123 is 3210441412.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (2141440117) and next prime (2141440129).

It is a cyclic number.

It is not a de Polignac number, because 2141440123 - 2²⁵ = 2107885691 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2141440094 and 2141440103.

It is not an unprimeable number, because it can be changed into a prime (2141440129) 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, 13553340 + ... + 13553497.

It is an arithmetic number, because the mean of its divisors is an integer number (542136760).

Almost surely, 2^2141440123 is an apocalyptic number.

2141440123 is a deficient number, since it is larger than the sum of its proper divisors (27106917).

2141440123 is an equidigital number, since it uses as much as digits as its factorization.

2141440123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27106916.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 2141440123 is about 46275.6968937260. The cubic root of 2141440123 is about 1288.9477473636.

Adding to 2141440123 its reverse (3210441412), we get a palindrome (5351881535).

The spelling of 2141440123 in words is "two billion, one hundred forty-one million, four hundred forty thousand, one hundred twenty-three".