4026123931 has 4 divisors (see below), whose sum is σ = 4028140000. Its totient is φ = 4024107864.

The previous prime is 4026123877. The next prime is 4026123943. The reversal of 4026123931 is 1393216204.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4026123931 - 2²¹ = 4024026779 is a prime.

It is a super-2 number, since 2×4026123931² = 32419347815541785522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4026123893 and 4026123902.

It is not an unprimeable number, because it can be changed into a prime (4026123131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1005036 + ... + 1009033.

It is an arithmetic number, because the mean of its divisors is an integer number (1007035000).

Almost surely, 2^4026123931 is an apocalyptic number.

4026123931 is a deficient number, since it is larger than the sum of its proper divisors (2016069).

4026123931 is a wasteful number, since it uses less digits than its factorization.

4026123931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2016068.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 4026123931 is about 63451.7449011452. The cubic root of 4026123931 is about 1590.8493189329.

The spelling of 4026123931 in words is "four billion, twenty-six million, one hundred twenty-three thousand, nine hundred thirty-one".