4400131423 has 2 divisors, whose sum is σ = 4400131424. Its totient is φ = 4400131422.

The previous prime is 4400131409. The next prime is 4400131447. The reversal of 4400131423 is 3241310044.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4400131423 - 2¹⁷ = 4400000351 is a prime.

It is a super-2 number, since 2×4400131423² = 38722313079344009858, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4400131394 and 4400131403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4400131123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2200065711 + 2200065712.

It is an arithmetic number, because the mean of its divisors is an integer number (2200065712).

Almost surely, 2^4400131423 is an apocalyptic number.

4400131423 is a deficient number, since it is larger than the sum of its proper divisors (1).

4400131423 is an equidigital number, since it uses as much as digits as its factorization.

4400131423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 4400131423 is about 66333.4864378468. The cubic root of 4400131423 is about 1638.6588558357.

Adding to 4400131423 its reverse (3241310044), we get a palindrome (7641441467).

The spelling of 4400131423 in words is "four billion, four hundred million, one hundred thirty-one thousand, four hundred twenty-three".