7245343123 has 4 divisors (see below), whose sum is σ = 7320037480. Its totient is φ = 7170648768.

The previous prime is 7245343121. The next prime is 7245343129. The reversal of 7245343123 is 3213435427.

7245343123 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3213435427 = 19471 ⋅165037.

It is a cyclic number.

It is not a de Polignac number, because 7245343123 - 2¹ = 7245343121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7245343121) 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, 37347033 + ... + 37347226.

It is an arithmetic number, because the mean of its divisors is an integer number (1830009370).

Almost surely, 2^7245343123 is an apocalyptic number.

7245343123 is a deficient number, since it is larger than the sum of its proper divisors (74694357).

7245343123 is an equidigital number, since it uses as much as digits as its factorization.

7245343123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74694356.

The product of its digits is 60480, while the sum is 34.

The square root of 7245343123 is about 85119.5813135849. The cubic root of 7245343123 is about 1935.0238362369.

The spelling of 7245343123 in words is "seven billion, two hundred forty-five million, three hundred forty-three thousand, one hundred twenty-three".