3120342523 has 4 divisors (see below), whose sum is σ = 3121439848. Its totient is φ = 3119245200.

The previous prime is 3120342517. The next prime is 3120342529. The reversal of 3120342523 is 3252430213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3252430213 = 11833 ⋅274861.

It is an interprime number because it is at equal distance from previous prime (3120342517) and next prime (3120342529).

It is a cyclic number.

It is not a de Polignac number, because 3120342523 - 2²¹ = 3118245371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3120342529) 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, 544386 + ... + 550087.

It is an arithmetic number, because the mean of its divisors is an integer number (780359962).

Almost surely, 2^3120342523 is an apocalyptic number.

3120342523 is a deficient number, since it is larger than the sum of its proper divisors (1097325).

3120342523 is a wasteful number, since it uses less digits than its factorization.

3120342523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097324.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 3120342523 is about 55860.0261636172. The cubic root of 3120342523 is about 1461.2821855528.

Adding to 3120342523 its reverse (3252430213), we get a palindrome (6372772736).

The spelling of 3120342523 in words is "three billion, one hundred twenty million, three hundred forty-two thousand, five hundred twenty-three".