4031421123 has 16 divisors (see below), whose sum is σ = 5694952320. Its totient is φ = 2527948416.

The previous prime is 4031421077. The next prime is 4031421127. The reversal of 4031421123 is 3211241304.

It is not a de Polignac number, because 4031421123 - 2¹⁸ = 4031158979 is a prime.

It is a super-2 number, since 2×4031421123² = 32504712541941162258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4031421123.

It is not an unprimeable number, because it can be changed into a prime (4031421127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61308 + ... + 108726.

It is an arithmetic number, because the mean of its divisors is an integer number (355934520).

Almost surely, 2^4031421123 is an apocalyptic number.

4031421123 is a deficient number, since it is larger than the sum of its proper divisors (1663531197).

4031421123 is a wasteful number, since it uses less digits than its factorization.

4031421123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49106.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 4031421123 is about 63493.4730740097. The cubic root of 4031421123 is about 1591.5467093841.

Adding to 4031421123 its reverse (3211241304), we get a palindrome (7242662427).

The spelling of 4031421123 in words is "four billion, thirty-one million, four hundred twenty-one thousand, one hundred twenty-three".