2123043 has 8 divisors (see below), whose sum is σ = 3048528. Its totient is φ = 1306464.

The previous prime is 2123027. The next prime is 2123047. The reversal of 2123043 is 3403212.

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

It is not a de Polignac number, because 2123043 - 2⁴ = 2123027 is a prime.

2123043 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2123047) 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, 27180 + ... + 27257.

It is an arithmetic number, because the mean of its divisors is an integer number (381066).

2^2123043 is an apocalyptic number.

2123043 is a deficient number, since it is larger than the sum of its proper divisors (925485).

2123043 is a wasteful number, since it uses less digits than its factorization.

2123043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54453.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 2123043 is about 1457.0665736335. The cubic root of 2123043 is about 128.5246007597.

Adding to 2123043 its reverse (3403212), we get a palindrome (5526255).

The spelling of 2123043 in words is "two million, one hundred twenty-three thousand, forty-three".