401223200543 has 4 divisors (see below), whose sum is σ = 437698036968. Its totient is φ = 364748364120.

The previous prime is 401223200519. The next prime is 401223200579. The reversal of 401223200543 is 345002322104.

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 401223200543 - 2¹⁶ = 401223135007 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 (401223200143) 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, 18237418196 + ... + 18237418217.

It is an arithmetic number, because the mean of its divisors is an integer number (109424509242).

Almost surely, 2^401223200543 is an apocalyptic number.

401223200543 is a deficient number, since it is larger than the sum of its proper divisors (36474836425).

401223200543 is a wasteful number, since it uses less digits than its factorization.

401223200543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36474836424.

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 401223200543 its reverse (345002322104), we get a palindrome (746225522647).

The spelling of 401223200543 in words is "four hundred one billion, two hundred twenty-three million, two hundred thousand, five hundred forty-three".