10400131323 has 20 divisors (see below), whose sum is σ = 15681207960. Its totient is φ = 6868616832.

The previous prime is 10400131319. The next prime is 10400131349. The reversal of 10400131323 is 32313100401.

It is not a de Polignac number, because 10400131323 - 2² = 10400131319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10400131296 and 10400131305.

It is not an unprimeable number, because it can be changed into a prime (10400131303) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 591318 + ... + 608651.

It is an arithmetic number, because the mean of its divisors is an integer number (784060398).

Almost surely, 2^10400131323 is an apocalyptic number.

10400131323 is a deficient number, since it is larger than the sum of its proper divisors (5281076637).

10400131323 is a wasteful number, since it uses less digits than its factorization.

10400131323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1200088 (or 1200079 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 10400131323 its reverse (32313100401), we get a palindrome (42713231724).

The spelling of 10400131323 in words is "ten billion, four hundred million, one hundred thirty-one thousand, three hundred twenty-three".