23304256221553 has 4 divisors (see below), whose sum is σ = 23304270154048. Its totient is φ = 23304242289060.

The previous prime is 23304256221551. The next prime is 23304256221583. The reversal of 23304256221553 is 35512265240332.

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 23304256221553 - 2¹ = 23304256221551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23304256221551) 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, 4050453 + ... + 7938178.

It is an arithmetic number, because the mean of its divisors is an integer number (5826067538512).

Almost surely, 2^{23304256221553} is an apocalyptic number.

It is an amenable number.

23304256221553 is a deficient number, since it is larger than the sum of its proper divisors (13932495).

23304256221553 is a wasteful number, since it uses less digits than its factorization.

23304256221553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13932494.

The product of its (nonzero) digits is 1296000, while the sum is 43.

The spelling of 23304256221553 in words is "twenty-three trillion, three hundred four billion, two hundred fifty-six million, two hundred twenty-one thousand, five hundred fifty-three".