427543732243 has 8 divisors (see below), whose sum is σ = 450052064000. Its totient is φ = 405036003528.

The previous prime is 427543732123. The next prime is 427543732249. The reversal of 427543732243 is 342237345724.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 427543732243 - 2¹³ = 427543724051 is a prime.

It is a super-2 number, since 2×427543732243² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 427543732193 and 427543732202.

It is not an unprimeable number, because it can be changed into a prime (427543732249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2497330 + ... + 2663032.

It is an arithmetic number, because the mean of its divisors is an integer number (56256508000).

Almost surely, 2^427543732243 is an apocalyptic number.

427543732243 is a deficient number, since it is larger than the sum of its proper divisors (22508331757).

427543732243 is a wasteful number, since it uses less digits than its factorization.

427543732243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301521.

The product of its digits is 3386880, while the sum is 46.

The spelling of 427543732243 in words is "four hundred twenty-seven billion, five hundred forty-three million, seven hundred thirty-two thousand, two hundred forty-three".