2123413234423 has 64 divisors (see below), whose sum is σ = 2368901283840. Its totient is φ = 1891444359168.

The previous prime is 2123413234421. The next prime is 2123413234457. The reversal of 2123413234423 is 3244323143212.

It is not a de Polignac number, because 2123413234423 - 2¹ = 2123413234421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123413234421) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5544159690 + ... + 5544160072.

It is an arithmetic number, because the mean of its divisors is an integer number (37014082560).

Almost surely, 2^{2123413234423} is an apocalyptic number.

2123413234423 is a deficient number, since it is larger than the sum of its proper divisors (245488049417).

2123413234423 is a wasteful number, since it uses less digits than its factorization.

2123413234423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088.

The product of its digits is 82944, while the sum is 34.

Adding to 2123413234423 its reverse (3244323143212), we get a palindrome (5367736377635).

The spelling of 2123413234423 in words is "two trillion, one hundred twenty-three billion, four hundred thirteen million, two hundred thirty-four thousand, four hundred twenty-three".