4123235257 has 4 divisors (see below), whose sum is σ = 4152898960. Its totient is φ = 4093571556.

The previous prime is 4123235153. The next prime is 4123235261. The reversal of 4123235257 is 7525323214.

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, and also an emirpimes, since its reverse is a distinct semiprime: 7525323214 = 2 ⋅3762661607.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4123235257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4123235297) 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, 14831643 + ... + 14831920.

It is an arithmetic number, because the mean of its divisors is an integer number (1038224740).

Almost surely, 2^4123235257 is an apocalyptic number.

It is an amenable number.

4123235257 is a deficient number, since it is larger than the sum of its proper divisors (29663703).

4123235257 is a wasteful number, since it uses less digits than its factorization.

4123235257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29663702.

The product of its digits is 50400, while the sum is 34.

The square root of 4123235257 is about 64212.4229179993. The cubic root of 4123235257 is about 1603.5384263651.

The spelling of 4123235257 in words is "four billion, one hundred twenty-three million, two hundred thirty-five thousand, two hundred fifty-seven".