253323555203 has 4 divisors (see below), whose sum is σ = 262058850240. Its totient is φ = 244588260168.

The previous prime is 253323555169. The next prime is 253323555271. The reversal of 253323555203 is 302555323352.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-253323555203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253323555103) 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, 4367647475 + ... + 4367647532.

It is an arithmetic number, because the mean of its divisors is an integer number (65514712560).

Almost surely, 2^253323555203 is an apocalyptic number.

253323555203 is a deficient number, since it is larger than the sum of its proper divisors (8735295037).

253323555203 is an equidigital number, since it uses as much as digits as its factorization.

253323555203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8735295036.

The product of its (nonzero) digits is 405000, while the sum is 38.

Adding to 253323555203 its reverse (302555323352), we get a palindrome (555878878555).

The spelling of 253323555203 in words is "two hundred fifty-three billion, three hundred twenty-three million, five hundred fifty-five thousand, two hundred three".