2123243041420 has 72 divisors (see below), whose sum is σ = 4557050920800. Its totient is φ = 830980093440.

The previous prime is 2123243041411. The next prime is 2123243041441. The reversal of 2123243041420 is 241403423212.

It is a super-2 number, since 2×2123243041420² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 239937156 + ... + 239946004.

It is an arithmetic number, because the mean of its divisors is an integer number (63292373900).

Almost surely, 2^{2123243041420} is an apocalyptic number.

2123243041420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2123243041420 is an abundant number, since it is smaller than the sum of its proper divisors (2433807879380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2123243041420 is a wasteful number, since it uses less digits than its factorization.

2123243041420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14383 (or 14334 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 2123243041420 its reverse (241403423212), we get a palindrome (2364646464632).

The spelling of 2123243041420 in words is "two trillion, one hundred twenty-three billion, two hundred forty-three million, forty-one thousand, four hundred twenty".