512023401443 has 4 divisors (see below), whose sum is σ = 512184977160. Its totient is φ = 511861825728.

The previous prime is 512023401397. The next prime is 512023401479. The reversal of 512023401443 is 344104320215.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 344104320215 = 5 ⋅68820864043.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-512023401443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (512023901443) 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, 80783105 + ... + 80789442.

It is an arithmetic number, because the mean of its divisors is an integer number (128046244290).

Almost surely, 2^512023401443 is an apocalyptic number.

512023401443 is a deficient number, since it is larger than the sum of its proper divisors (161575717).

512023401443 is a wasteful number, since it uses less digits than its factorization.

512023401443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161575716.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 512023401443 its reverse (344104320215), we get a palindrome (856127721658).

The spelling of 512023401443 in words is "five hundred twelve billion, twenty-three million, four hundred one thousand, four hundred forty-three".