400023223043131 has 8 divisors (see below), whose sum is σ = 410053070537280. Its totient is φ = 390056655344448.

The previous prime is 400023223043117. The next prime is 400023223043137. The reversal of 400023223043131 is 131340322320004.

It is a happy number.

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 400023223043131 - 2⁵ = 400023223043099 is a prime.

It is a super-2 number, since 2×400023223043131² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 400023223043131.

It is not an unprimeable number, because it can be changed into a prime (400023223043137) 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, 15819936066 + ... + 15819961351.

It is an arithmetic number, because the mean of its divisors is an integer number (51256633817160).

Almost surely, 2^{400023223043131} is an apocalyptic number.

400023223043131 is a deficient number, since it is larger than the sum of its proper divisors (10029847494149).

400023223043131 is a wasteful number, since it uses less digits than its factorization.

400023223043131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31639897733.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 400023223043131 its reverse (131340322320004), we get a palindrome (531363545363135).

The spelling of 400023223043131 in words is "four hundred trillion, twenty-three billion, two hundred twenty-three million, forty-three thousand, one hundred thirty-one".