2123429086 has 4 divisors (see below), whose sum is σ = 3185143632. Its totient is φ = 1061714542.

The previous prime is 2123429059. The next prime is 2123429107. The reversal of 2123429086 is 6809243212.

It is a happy number.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530857270 + ... + 530857273.

It is an arithmetic number, because the mean of its divisors is an integer number (796285908).

Almost surely, 2^2123429086 is an apocalyptic number.

2123429086 is a deficient number, since it is larger than the sum of its proper divisors (1061714546).

2123429086 is a wasteful number, since it uses less digits than its factorization.

2123429086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061714545.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 2123429086 is about 46080.6801816119. The cubic root of 2123429086 is about 1285.3239123484.

The spelling of 2123429086 in words is "two billion, one hundred twenty-three million, four hundred twenty-nine thousand, eighty-six".