3154642123 has 4 divisors (see below), whose sum is σ = 3158476048. Its totient is φ = 3150808200.

The previous prime is 3154642093. The next prime is 3154642129. The reversal of 3154642123 is 3212464513.

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 3154642123 - 2²¹ = 3152544971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3154642129) 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, 1915728 + ... + 1917373.

It is an arithmetic number, because the mean of its divisors is an integer number (789619012).

Almost surely, 2^3154642123 is an apocalyptic number.

3154642123 is a deficient number, since it is larger than the sum of its proper divisors (3833925).

3154642123 is an equidigital number, since it uses as much as digits as its factorization.

3154642123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3833924.

The product of its digits is 17280, while the sum is 31.

The square root of 3154642123 is about 56166.2008952003. The cubic root of 3154642123 is about 1466.6169480449.

The spelling of 3154642123 in words is "three billion, one hundred fifty-four million, six hundred forty-two thousand, one hundred twenty-three".