401320100432243 has 4 divisors (see below), whose sum is σ = 401337149612520. Its totient is φ = 401303051251968.

The previous prime is 401320100432231. The next prime is 401320100432249. The reversal of 401320100432243 is 342234001023104.

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 401320100432243 - 2⁶ = 401320100432179 is a prime.

It is a super-2 number, since 2×401320100432243² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401320100432249) 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, 8524554830 + ... + 8524601907.

It is an arithmetic number, because the mean of its divisors is an integer number (100334287403130).

Almost surely, 2^{401320100432243} is an apocalyptic number.

401320100432243 is a deficient number, since it is larger than the sum of its proper divisors (17049180277).

401320100432243 is a wasteful number, since it uses less digits than its factorization.

401320100432243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17049180276.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 401320100432243 its reverse (342234001023104), we get a palindrome (743554101455347).

The spelling of 401320100432243 in words is "four hundred one trillion, three hundred twenty billion, one hundred million, four hundred thirty-two thousand, two hundred forty-three".