2123030343 has 8 divisors (see below), whose sum is σ = 3235093888. Its totient is φ = 1213160184.

The previous prime is 2123030317. The next prime is 2123030383. The reversal of 2123030343 is 3430303212.

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

It is not a de Polignac number, because 2123030343 - 2¹³ = 2123022151 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 101096683 = 2123030343 / (2 + 1 + 2 + 3 + 0 + 3 + 0 + 3 + 4 + 3).

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123030383) 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, 50548321 + ... + 50548362.

It is an arithmetic number, because the mean of its divisors is an integer number (404386736).

Almost surely, 2^2123030343 is an apocalyptic number.

2123030343 is a deficient number, since it is larger than the sum of its proper divisors (1112063545).

2123030343 is a wasteful number, since it uses less digits than its factorization.

2123030343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101096693.

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 2123030343 is about 46076.3534038882. The cubic root of 2123030343 is about 1285.2434534969.

Adding to 2123030343 its reverse (3430303212), we get a palindrome (5553333555).

The spelling of 2123030343 in words is "two billion, one hundred twenty-three million, thirty thousand, three hundred forty-three".