23234320255553 has 4 divisors (see below), whose sum is σ = 25346531187888. Its totient is φ = 21122109323220.

The previous prime is 23234320255541. The next prime is 23234320255571. The reversal of 23234320255553 is 35555202343232.

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 not a de Polignac number, because 23234320255553 - 2³² = 23230025288257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23234320258553) 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, 1056105466151 + ... + 1056105466172.

It is an arithmetic number, because the mean of its divisors is an integer number (6336632796972).

Almost surely, 2^{23234320255553} is an apocalyptic number.

It is an amenable number.

23234320255553 is a deficient number, since it is larger than the sum of its proper divisors (2112210932335).

23234320255553 is a wasteful number, since it uses less digits than its factorization.

23234320255553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2112210932334.

The product of its (nonzero) digits is 3240000, while the sum is 44.

Adding to 23234320255553 its reverse (35555202343232), we get a palindrome (58789522598785).

The spelling of 23234320255553 in words is "twenty-three trillion, two hundred thirty-four billion, three hundred twenty million, two hundred fifty-five thousand, five hundred fifty-three".