2123117342 has 8 divisors (see below), whose sum is σ = 3352290600. Its totient is φ = 1005687144.

The previous prime is 2123117333. The next prime is 2123117351. The reversal of 2123117342 is 2437113212.

It is an interprime number because it is at equal distance from previous prime (2123117333) and next prime (2123117351).

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

It is a super-2 number, since 2×2123117342² = 9015254495802289928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27935717 + ... + 27935792.

It is an arithmetic number, because the mean of its divisors is an integer number (419036325).

Almost surely, 2^2123117342 is an apocalyptic number.

2123117342 is a deficient number, since it is larger than the sum of its proper divisors (1229173258).

2123117342 is a wasteful number, since it uses less digits than its factorization.

2123117342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55871530.

The product of its digits is 2016, while the sum is 26.

The square root of 2123117342 is about 46077.2974684931. The cubic root of 2123117342 is about 1285.2610091210.

The spelling of 2123117342 in words is "two billion, one hundred twenty-three million, one hundred seventeen thousand, three hundred forty-two".