23075440357 has 4 divisors (see below), whose sum is σ = 23082387840. Its totient is φ = 23068492876.

The previous prime is 23075440343. The next prime is 23075440369. The reversal of 23075440357 is 75304457032.

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 a de Polignac number, because none of the positive numbers 2^k-23075440357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23075440307) 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, 3468757 + ... + 3475402.

It is an arithmetic number, because the mean of its divisors is an integer number (5770596960).

Almost surely, 2^23075440357 is an apocalyptic number.

It is an amenable number.

23075440357 is a deficient number, since it is larger than the sum of its proper divisors (6947483).

23075440357 is an equidigital number, since it uses as much as digits as its factorization.

23075440357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6947482.

The product of its (nonzero) digits is 352800, while the sum is 40.

Adding to 23075440357 its reverse (75304457032), we get a palindrome (98379897389).

The spelling of 23075440357 in words is "twenty-three billion, seventy-five million, four hundred forty thousand, three hundred fifty-seven".