3042123257 has 4 divisors (see below), whose sum is σ = 3042470016. Its totient is φ = 3041776500.

The previous prime is 3042123251. The next prime is 3042123283. The reversal of 3042123257 is 7523212403.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3042123257 - 2¹² = 3042119161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3042123251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159869 + ... + 177882.

It is an arithmetic number, because the mean of its divisors is an integer number (760617504).

Almost surely, 2^3042123257 is an apocalyptic number.

It is an amenable number.

3042123257 is a deficient number, since it is larger than the sum of its proper divisors (346759).

3042123257 is an equidigital number, since it uses as much as digits as its factorization.

3042123257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346758.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 3042123257 is about 55155.4463040596. The cubic root of 3042123257 is about 1448.9684707838.

The spelling of 3042123257 in words is "three billion, forty-two million, one hundred twenty-three thousand, two hundred fifty-seven".