305400132043 has 4 divisors (see below), whose sum is σ = 305402361640. Its totient is φ = 305397902448.

The previous prime is 305400132017. The next prime is 305400132049. The reversal of 305400132043 is 340231004503.

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 305400132043 - 2²⁵ = 305366577611 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 305400131999 and 305400132017.

It is not an unprimeable number, because it can be changed into a prime (305400132049) 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, 894873 + ... + 1188106.

It is an arithmetic number, because the mean of its divisors is an integer number (76350590410).

Almost surely, 2^305400132043 is an apocalyptic number.

305400132043 is a deficient number, since it is larger than the sum of its proper divisors (2229597).

305400132043 is a wasteful number, since it uses less digits than its factorization.

305400132043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2229596.

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 305400132043 its reverse (340231004503), we get a palindrome (645631136546).

The spelling of 305400132043 in words is "three hundred five billion, four hundred million, one hundred thirty-two thousand, forty-three".