2163429123 has 8 divisors (see below), whose sum is σ = 2888952000. Its totient is φ = 1440096168.

The previous prime is 2163429119. The next prime is 2163429131. The reversal of 2163429123 is 3219243612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2163429123 - 2² = 2163429119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2163429173) 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, 545173 + ... + 549126.

It is an arithmetic number, because the mean of its divisors is an integer number (361119000).

Almost surely, 2^2163429123 is an apocalyptic number.

2163429123 is a deficient number, since it is larger than the sum of its proper divisors (725522877).

2163429123 is a wasteful number, since it uses less digits than its factorization.

2163429123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1094961.

The product of its digits is 15552, while the sum is 33.

The square root of 2163429123 is about 46512.6770139066. The cubic root of 2163429123 is about 1293.3445098953.

The spelling of 2163429123 in words is "two billion, one hundred sixty-three million, four hundred twenty-nine thousand, one hundred twenty-three".