2102342423 has 4 divisors (see below), whose sum is σ = 2104051488. Its totient is φ = 2100633360.

The previous prime is 2102342399. The next prime is 2102342449. The reversal of 2102342423 is 3242432012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2102342423 - 2¹⁶ = 2102276887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102342483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 852686 + ... + 855147.

It is an arithmetic number, because the mean of its divisors is an integer number (526012872).

Almost surely, 2^2102342423 is an apocalyptic number.

2102342423 is a deficient number, since it is larger than the sum of its proper divisors (1709065).

2102342423 is a wasteful number, since it uses less digits than its factorization.

2102342423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1709064.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 2102342423 is about 45851.3077567042. The cubic root of 2102342423 is about 1281.0551242681.

Adding to 2102342423 its reverse (3242432012), we get a palindrome (5344774435).

The spelling of 2102342423 in words is "two billion, one hundred two million, three hundred forty-two thousand, four hundred twenty-three".