2123423342415 has 24 divisors (see below), whose sum is σ = 3874316275440. Its totient is φ = 1072887583104.

The previous prime is 2123423342413. The next prime is 2123423342477. The reversal of 2123423342415 is 5142433243212.

2123423342415 is a `hidden beast` number, since 2 + 1 + 2 + 3 + 4 + 233 + 4 + 2 + 415 = 666.

It is not a de Polignac number, because 2123423342415 - 2¹ = 2123423342413 is a prime.

It is a super-2 number, since 2×2123423342415² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2123423342415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123423342413) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1241767182 + ... + 1241768891.

It is an arithmetic number, because the mean of its divisors is an integer number (161429844810).

Almost surely, 2^{2123423342415} is an apocalyptic number.

2123423342415 is a deficient number, since it is larger than the sum of its proper divisors (1750892933025).

2123423342415 is a wasteful number, since it uses less digits than its factorization.

2123423342415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2483536103 (or 2483536100 counting only the distinct ones).

The product of its digits is 138240, while the sum is 36.

Adding to 2123423342415 its reverse (5142433243212), we get a palindrome (7265856585627).

The spelling of 2123423342415 in words is "two trillion, one hundred twenty-three billion, four hundred twenty-three million, three hundred forty-two thousand, four hundred fifteen".