2152444123 has 8 divisors (see below), whose sum is σ = 2160829440. Its totient is φ = 2144072040.

The previous prime is 2152444097. The next prime is 2152444141. The reversal of 2152444123 is 3214442512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2152444123 - 2⁹ = 2152443611 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2152444091 and 2152444100.

It is not an unprimeable number, because it can be changed into a prime (2152444153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 424638 + ... + 429676.

It is an arithmetic number, because the mean of its divisors is an integer number (270103680).

Almost surely, 2^2152444123 is an apocalyptic number.

2152444123 is a deficient number, since it is larger than the sum of its proper divisors (8385317).

2152444123 is a wasteful number, since it uses less digits than its factorization.

2152444123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6617.

The product of its digits is 7680, while the sum is 28.

The square root of 2152444123 is about 46394.4406475603. The cubic root of 2152444123 is about 1291.1517712515.

Adding to 2152444123 its reverse (3214442512), we get a palindrome (5366886635).

The spelling of 2152444123 in words is "two billion, one hundred fifty-two million, four hundred forty-four thousand, one hundred twenty-three".