1401423243434 has 8 divisors (see below), whose sum is σ = 2102142517860. Its totient is φ = 700709070816.

The previous prime is 1401423243427. The next prime is 1401423243457. The reversal of 1401423243434 is 4343423241041.

It can be written as a sum of positive squares in 2 ways, for example, as 979995062809 + 421428180625 = 989947^2 + 649175^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1401423243434² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1401423243394 and 1401423243403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 492629 + ... + 1745144.

Almost surely, 2^{1401423243434} is an apocalyptic number.

1401423243434 is a deficient number, since it is larger than the sum of its proper divisors (700719274426).

1401423243434 is a wasteful number, since it uses less digits than its factorization.

1401423243434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2550904.

The product of its (nonzero) digits is 110592, while the sum is 35.

Adding to 1401423243434 its reverse (4343423241041), we get a palindrome (5744846484475).

The spelling of 1401423243434 in words is "one trillion, four hundred one billion, four hundred twenty-three million, two hundred forty-three thousand, four hundred thirty-four".