1420123410243 has 24 divisors (see below), whose sum is σ = 2123234680320. Its totient is φ = 913580680320.

The previous prime is 1420123410187. The next prime is 1420123410269. The reversal of 1420123410243 is 3420143210241.

1420123410243 is a `hidden beast` number, since 1 + 4 + 2 + 0 + 1 + 2 + 3 + 410 + 243 = 666.

It is not a de Polignac number, because 1420123410243 - 2¹² = 1420123406147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1420123410743) 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, 1094403 + ... + 2009468.

It is an arithmetic number, because the mean of its divisors is an integer number (88468111680).

Almost surely, 2^{1420123410243} is an apocalyptic number.

1420123410243 is a deficient number, since it is larger than the sum of its proper divisors (703111270077).

1420123410243 is a wasteful number, since it uses less digits than its factorization.

1420123410243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3105659 (or 3105656 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 1420123410243 its reverse (3420143210241), we get a palindrome (4840266620484).

The spelling of 1420123410243 in words is "one trillion, four hundred twenty billion, one hundred twenty-three million, four hundred ten thousand, two hundred forty-three".