235345320553 has 4 divisors (see below), whose sum is σ = 268966080640. Its totient is φ = 201724560468.

The previous prime is 235345320547. The next prime is 235345320559. The reversal of 235345320553 is 355023543532.

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 an interprime number because it is at equal distance from previous prime (235345320547) and next prime (235345320559).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-235345320553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (235345320559) 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, 16810380033 + ... + 16810380046.

It is an arithmetic number, because the mean of its divisors is an integer number (67241520160).

Almost surely, 2^235345320553 is an apocalyptic number.

It is an amenable number.

235345320553 is a deficient number, since it is larger than the sum of its proper divisors (33620760087).

235345320553 is an equidigital number, since it uses as much as digits as its factorization.

235345320553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33620760086.

The product of its (nonzero) digits is 810000, while the sum is 40.

The spelling of 235345320553 in words is "two hundred thirty-five billion, three hundred forty-five million, three hundred twenty thousand, five hundred fifty-three".