400231543235 has 48 divisors (see below), whose sum is σ = 560038764096. Its totient is φ = 273077139456.

The previous prime is 400231543163. The next prime is 400231543253. The reversal of 400231543235 is 532345132004.

It is not a de Polignac number, because 400231543235 - 2³⁴ = 383051674051 is a prime.

It is a super-3 number, since 3×400231543235³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 422207 + ... + 989303.

It is an arithmetic number, because the mean of its divisors is an integer number (11667474252).

Almost surely, 2^400231543235 is an apocalyptic number.

400231543235 is a deficient number, since it is larger than the sum of its proper divisors (159807220861).

400231543235 is a wasteful number, since it uses less digits than its factorization.

400231543235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567180 (or 567161 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 400231543235 its reverse (532345132004), we get a palindrome (932576675239).

The spelling of 400231543235 in words is "four hundred billion, two hundred thirty-one million, five hundred forty-three thousand, two hundred thirty-five".