2123142104 has 16 divisors (see below), whose sum is σ = 4215061800. Its totient is φ = 999125632.

The previous prime is 2123142101. The next prime is 2123142107. The reversal of 2123142104 is 4012413212.

It is an interprime number because it is at equal distance from previous prime (2123142101) and next prime (2123142107).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123142101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7805534 + ... + 7805805.

Almost surely, 2^2123142104 is an apocalyptic number.

It is an amenable number.

2123142104 is a deficient number, since it is larger than the sum of its proper divisors (2091919696).

2123142104 is a wasteful number, since it uses less digits than its factorization.

2123142104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15611362 (or 15611358 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2123142104 is about 46077.5661683644. The cubic root of 2123142104 is about 1285.2660057846.

Adding to 2123142104 its reverse (4012413212), we get a palindrome (6135555316).

The spelling of 2123142104 in words is "two billion, one hundred twenty-three million, one hundred forty-two thousand, one hundred four".