2123315251253 has 24 divisors (see below), whose sum is σ = 2525753681856. Its totient is φ = 1748418540480.

The previous prime is 2123315251241. The next prime is 2123315251259. The reversal of 2123315251253 is 3521525133212.

It is not a de Polignac number, because 2123315251253 - 2¹⁴ = 2123315234869 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 (2123315251259) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 230375 + ... + 2073572.

It is an arithmetic number, because the mean of its divisors is an integer number (105239736744).

Almost surely, 2^{2123315251253} is an apocalyptic number.

It is an amenable number.

2123315251253 is a deficient number, since it is larger than the sum of its proper divisors (402438430603).

2123315251253 is a wasteful number, since it uses less digits than its factorization.

2123315251253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2304153 (or 2304122 counting only the distinct ones).

The product of its digits is 54000, while the sum is 35.

The spelling of 2123315251253 in words is "two trillion, one hundred twenty-three billion, three hundred fifteen million, two hundred fifty-one thousand, two hundred fifty-three".