1423120020435 has 32 divisors (see below), whose sum is σ = 2598369295680. Its totient is φ = 738483899904.

The previous prime is 1423120020407. The next prime is 1423120020479. The reversal of 1423120020435 is 5340200213241.

1423120020435 is a `hidden beast` number, since 1 + 4 + 2 + 3 + 1 + 200 + 20 + 435 = 666.

It is not a de Polignac number, because 1423120020435 - 2¹⁰ = 1423120019411 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1423120020399 and 1423120020408.

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 31 ways as a sum of consecutive naturals, for example, 142449462 + ... + 142459451.

It is an arithmetic number, because the mean of its divisors is an integer number (81199040490).

Almost surely, 2^{1423120020435} is an apocalyptic number.

1423120020435 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1423120020435 is a deficient number, since it is larger than the sum of its proper divisors (1175249275245).

1423120020435 is a wasteful number, since it uses less digits than its factorization.

1423120020435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284908964 (or 284908958 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 1423120020435 its reverse (5340200213241), we get a palindrome (6763320233676).

The spelling of 1423120020435 in words is "one trillion, four hundred twenty-three billion, one hundred twenty million, twenty thousand, four hundred thirty-five".