3940123371 has 16 divisors (see below), whose sum is σ = 5591362464. Its totient is φ = 2459418624.

The previous prime is 3940123331. The next prime is 3940123379. The reversal of 3940123371 is 1733210493.

It is not a de Polignac number, because 3940123371 - 2¹¹ = 3940121323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3940123379) 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, 190306 + ... + 209991.

It is an arithmetic number, because the mean of its divisors is an integer number (349460154).

Almost surely, 2^3940123371 is an apocalyptic number.

3940123371 is a deficient number, since it is larger than the sum of its proper divisors (1651239093).

3940123371 is a wasteful number, since it uses less digits than its factorization.

3940123371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400510.

The product of its (nonzero) digits is 13608, while the sum is 33.

The square root of 3940123371 is about 62770.4020299376. The cubic root of 3940123371 is about 1579.4405126624.

The spelling of 3940123371 in words is "three billion, nine hundred forty million, one hundred twenty-three thousand, three hundred seventy-one".