1402423240423 has 4 divisors (see below), whose sum is σ = 1408601316600. Its totient is φ = 1396245164248.

The previous prime is 1402423240417. The next prime is 1402423240453. The reversal of 1402423240423 is 3240423242041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1402423240423 - 2²¹ = 1402421143271 is a prime.

It is a super-2 number, since 2×1402423240423² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402423240453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3089037748 + ... + 3089038201.

It is an arithmetic number, because the mean of its divisors is an integer number (352150329150).

Almost surely, 2^{1402423240423} is an apocalyptic number.

1402423240423 is a deficient number, since it is larger than the sum of its proper divisors (6178076177).

1402423240423 is an equidigital number, since it uses as much as digits as its factorization.

1402423240423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6178076176.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 1402423240423 its reverse (3240423242041), we get a palindrome (4642846482464).

The spelling of 1402423240423 in words is "one trillion, four hundred two billion, four hundred twenty-three million, two hundred forty thousand, four hundred twenty-three".