402430444343023 has 16 divisors (see below), whose sum is σ = 429742749934080. Its totient is φ = 375938148557664.

The previous prime is 402430444343021. The next prime is 402430444343029. The reversal of 402430444343023 is 320343444034204.

It is a cyclic number.

It is not a de Polignac number, because 402430444343023 - 2¹ = 402430444343021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402430444343021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14895411 + ... + 32042692.

It is an arithmetic number, because the mean of its divisors is an integer number (26858921870880).

Almost surely, 2^{402430444343023} is an apocalyptic number.

402430444343023 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

402430444343023 is a deficient number, since it is larger than the sum of its proper divisors (27312305591057).

402430444343023 is a wasteful number, since it uses less digits than its factorization.

402430444343023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46946838.

The product of its (nonzero) digits is 1327104, while the sum is 40.

Adding to 402430444343023 its reverse (320343444034204), we get a palindrome (722773888377227).

The spelling of 402430444343023 in words is "four hundred two trillion, four hundred thirty billion, four hundred forty-four million, three hundred forty-three thousand, twenty-three".