2123423102 has 4 divisors (see below), whose sum is σ = 3185134656. Its totient is φ = 1061711550.

The previous prime is 2123423083. The next prime is 2123423167. The reversal of 2123423102 is 2013243212.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530855774 + ... + 530855777.

It is an arithmetic number, because the mean of its divisors is an integer number (796283664).

Almost surely, 2^2123423102 is an apocalyptic number.

2123423102 is a deficient number, since it is larger than the sum of its proper divisors (1061711554).

2123423102 is a wasteful number, since it uses less digits than its factorization.

2123423102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061711553.

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

The square root of 2123423102 is about 46080.6152519690. The cubic root of 2123423102 is about 1285.3227049640.

Adding to 2123423102 its reverse (2013243212), we get a palindrome (4136666314).

The spelling of 2123423102 in words is "two billion, one hundred twenty-three million, four hundred twenty-three thousand, one hundred two".