1423235112505 has 16 divisors (see below), whose sum is σ = 1766878747920. Its totient is φ = 1099261642752.

The previous prime is 1423235112499. The next prime is 1423235112521. The reversal of 1423235112505 is 5052115323241.

It can be written as a sum of positive squares in 8 ways, for example, as 525872979241 + 897362133264 = 725171^2 + 947292^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1423235112505 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2256577 + ... + 2817553.

It is an arithmetic number, because the mean of its divisors is an integer number (110429921745).

Almost surely, 2^{1423235112505} is an apocalyptic number.

It is an amenable number.

1423235112505 is a deficient number, since it is larger than the sum of its proper divisors (343643635415).

1423235112505 is a wasteful number, since it uses less digits than its factorization.

1423235112505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578508.

The product of its (nonzero) digits is 36000, while the sum is 34.

The spelling of 1423235112505 in words is "one trillion, four hundred twenty-three billion, two hundred thirty-five million, one hundred twelve thousand, five hundred five".