2123102423 has 8 divisors (see below), whose sum is σ = 2385827808. Its totient is φ = 1874578464.

The previous prime is 2123102419. The next prime is 2123102473. The reversal of 2123102423 is 3242013212.

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 2123102423 - 2² = 2123102419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2123102395 and 2123102404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123102473) 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, 3550040 + ... + 3550637.

It is an arithmetic number, because the mean of its divisors is an integer number (298228476).

Almost surely, 2^2123102423 is an apocalyptic number.

2123102423 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2123102423 is a deficient number, since it is larger than the sum of its proper divisors (262725385).

2123102423 is a wasteful number, since it uses less digits than its factorization.

2123102423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7100713.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2123102423 is about 46077.1355772036. The cubic root of 2123102423 is about 1285.2579986336.

Adding to 2123102423 its reverse (3242013212), we get a palindrome (5365115635).

The spelling of 2123102423 in words is "two billion, one hundred twenty-three million, one hundred two thousand, four hundred twenty-three".