3954812123 has 8 divisors (see below), whose sum is σ = 4002447792. Its totient is φ = 3907316736.

The previous prime is 3954812111. The next prime is 3954812129. The reversal of 3954812123 is 3212184593.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3954812123 - 2⁴ = 3954812107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3954812129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22211 + ... + 91667.

It is an arithmetic number, because the mean of its divisors is an integer number (500305974).

Almost surely, 2^3954812123 is an apocalyptic number.

3954812123 is a deficient number, since it is larger than the sum of its proper divisors (47635669).

3954812123 is an equidigital number, since it uses as much as digits as its factorization.

3954812123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70141.

The product of its digits is 51840, while the sum is 38.

The square root of 3954812123 is about 62887.2969923179. The cubic root of 3954812123 is about 1581.4007930517.

The spelling of 3954812123 in words is "three billion, nine hundred fifty-four million, eight hundred twelve thousand, one hundred twenty-three".