4123253345 has 4 divisors (see below), whose sum is σ = 4947904020. Its totient is φ = 3298602672.

The previous prime is 4123253339. The next prime is 4123253353. The reversal of 4123253345 is 5433523214.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3041632801 + 1081620544 = 55151^2 + 32888^2 .

It is a cyclic number.

It is not a de Polignac number, because 4123253345 - 2¹⁰ = 4123252321 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 412325330 + ... + 412325339.

It is an arithmetic number, because the mean of its divisors is an integer number (1236976005).

Almost surely, 2^4123253345 is an apocalyptic number.

It is an amenable number.

4123253345 is a deficient number, since it is larger than the sum of its proper divisors (824650675).

4123253345 is an equidigital number, since it uses as much as digits as its factorization.

4123253345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824650674.

The product of its digits is 43200, while the sum is 32.

The square root of 4123253345 is about 64212.5637628650. The cubic root of 4123253345 is about 1603.5407711873.

Adding to 4123253345 its reverse (5433523214), we get a palindrome (9556776559).

The spelling of 4123253345 in words is "four billion, one hundred twenty-three million, two hundred fifty-three thousand, three hundred forty-five".