2143123324 has 24 divisors (see below), whose sum is σ = 3873396240. Its totient is φ = 1036763136.

The previous prime is 2143123303. The next prime is 2143123337. The reversal of 2143123324 is 4233213412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13957 + ... + 66940.

It is an arithmetic number, because the mean of its divisors is an integer number (161391510).

Almost surely, 2^2143123324 is an apocalyptic number.

It is an amenable number.

2143123324 is a deficient number, since it is larger than the sum of its proper divisors (1730272916).

2143123324 is a wasteful number, since it uses less digits than its factorization.

2143123324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81117 (or 81115 counting only the distinct ones).

The product of its digits is 3456, while the sum is 25.

The square root of 2143123324 is about 46293.8799842917. The cubic root of 2143123324 is about 1289.2853690616.

Adding to 2143123324 its reverse (4233213412), we get a palindrome (6376336736).

The spelling of 2143123324 in words is "two billion, one hundred forty-three million, one hundred twenty-three thousand, three hundred twenty-four".