2123004132423 has 6 divisors (see below), whose sum is σ = 3066561524624. Its totient is φ = 1415336088276.

The previous prime is 2123004132367. The next prime is 2123004132439. The reversal of 2123004132423 is 3242314003212.

2123004132423 is a `hidden beast` number, since 2 + 1 + 2 + 3 + 0 + 0 + 413 + 242 + 3 = 666.

It is not a de Polignac number, because 2123004132423 - 2²⁵ = 2122970577991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123004132023) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 117944674015 + ... + 117944674032.

Almost surely, 2^{2123004132423} is an apocalyptic number.

2123004132423 is a deficient number, since it is larger than the sum of its proper divisors (943557392201).

2123004132423 is a wasteful number, since it uses less digits than its factorization.

2123004132423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235889348053 (or 235889348050 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 2123004132423 its reverse (3242314003212), we get a palindrome (5365318135635).

The spelling of 2123004132423 in words is "two trillion, one hundred twenty-three billion, four million, one hundred thirty-two thousand, four hundred twenty-three".