1235105323253 has 16 divisors (see below), whose sum is σ = 1317386488320. Its totient is φ = 1153912947456.

The previous prime is 1235105323181. The next prime is 1235105323301. The reversal of 1235105323253 is 3523235015321.

It is not a de Polignac number, because 1235105323253 - 2¹⁰ = 1235105322229 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 (1235105323453) 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, 1784228 + ... + 2377746.

It is an arithmetic number, because the mean of its divisors is an integer number (82336655520).

Almost surely, 2^{1235105323253} is an apocalyptic number.

It is an amenable number.

1235105323253 is a deficient number, since it is larger than the sum of its proper divisors (82281165067).

1235105323253 is a wasteful number, since it uses less digits than its factorization.

1235105323253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594436.

The product of its (nonzero) digits is 81000, while the sum is 35.

The spelling of 1235105323253 in words is "one trillion, two hundred thirty-five billion, one hundred five million, three hundred twenty-three thousand, two hundred fifty-three".