4023423131 has 16 divisors (see below), whose sum is σ = 4967761344. Its totient is φ = 3173174784.

The previous prime is 4023423127. The next prime is 4023423149. The reversal of 4023423131 is 1313243204.

It is not a de Polignac number, because 4023423131 - 2² = 4023423127 is a prime.

It is a super-2 number, since 2×4023423131² = 32375867382131686322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4023423097 and 4023423106.

It is not an unprimeable number, because it can be changed into a prime (4023423121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42146 + ... + 99111.

It is an arithmetic number, because the mean of its divisors is an integer number (310485084).

Almost surely, 2^4023423131 is an apocalyptic number.

4023423131 is a deficient number, since it is larger than the sum of its proper divisors (944338213).

4023423131 is a wasteful number, since it uses less digits than its factorization.

4023423131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141590.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 4023423131 is about 63430.4590161541. The cubic root of 4023423131 is about 1590.4935154346.

Adding to 4023423131 its reverse (1313243204), we get a palindrome (5336666335).

The spelling of 4023423131 in words is "four billion, twenty-three million, four hundred twenty-three thousand, one hundred thirty-one".