2123013103231 has 16 divisors (see below), whose sum is σ = 2261917960960. Its totient is φ = 1986900814080.

The previous prime is 2123013103157. The next prime is 2123013103247. The reversal of 2123013103231 is 1323013103212.

It is a cyclic number.

It is not a de Polignac number, because 2123013103231 - 2¹⁵ = 2123013070463 is a prime.

It is a super-2 number, since 2×2123013103231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123013103331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44835 + ... + 2061076.

It is an arithmetic number, because the mean of its divisors is an integer number (141369872560).

Almost surely, 2^{2123013103231} is an apocalyptic number.

2123013103231 is a deficient number, since it is larger than the sum of its proper divisors (138904857729).

2123013103231 is a wasteful number, since it uses less digits than its factorization.

2123013103231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2106574.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 2123013103231 its reverse (1323013103212), we get a palindrome (3446026206443).

The spelling of 2123013103231 in words is "two trillion, one hundred twenty-three billion, thirteen million, one hundred three thousand, two hundred thirty-one".