2141203123423 has 36 divisors (see below), whose sum is σ = 2716813198080. Its totient is φ = 1681771867776.

The previous prime is 2141203123321. The next prime is 2141203123457. The reversal of 2141203123423 is 3243213021412.

It is a de Polignac number, because none of the positive numbers 2^k-2141203123423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2141203123391 and 2141203123400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2141203120423) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 190818 + ... + 2078176.

It is an arithmetic number, because the mean of its divisors is an integer number (75467033280).

Almost surely, 2^{2141203123423} is an apocalyptic number.

2141203123423 is a deficient number, since it is larger than the sum of its proper divisors (575610074657).

2141203123423 is a wasteful number, since it uses less digits than its factorization.

2141203123423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1887536 (or 1887516 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 2141203123423 its reverse (3243213021412), we get a palindrome (5384416144835).

The spelling of 2141203123423 in words is "two trillion, one hundred forty-one billion, two hundred three million, one hundred twenty-three thousand, four hundred twenty-three".