10400123471 has 2 divisors, whose sum is σ = 10400123472. Its totient is φ = 10400123470.

The previous prime is 10400123467. The next prime is 10400123497. The reversal of 10400123471 is 17432100401.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10400123471 - 2² = 10400123467 is a prime.

It is a super-3 number, since 3×10400123471³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10400923471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5200061735 + 5200061736.

It is an arithmetic number, because the mean of its divisors is an integer number (5200061736).

Almost surely, 2^10400123471 is an apocalyptic number.

10400123471 is a deficient number, since it is larger than the sum of its proper divisors (1).

10400123471 is an equidigital number, since it uses as much as digits as its factorization.

10400123471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 23.

Adding to 10400123471 its reverse (17432100401), we get a palindrome (27832223872).

The spelling of 10400123471 in words is "ten billion, four hundred million, one hundred twenty-three thousand, four hundred seventy-one".