23445330051553 has 4 divisors (see below), whose sum is σ = 23445344680128. Its totient is φ = 23445315422980.

The previous prime is 23445330051541. The next prime is 23445330051587. The reversal of 23445330051553 is 35515003354432.

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 23445330051553 - 2²⁵ = 23445296497121 is a prime.

It is a super-3 number, since 3×23445330051553³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23445330051053) 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, 4566013 + ... + 8230378.

It is an arithmetic number, because the mean of its divisors is an integer number (5861336170032).

Almost surely, 2^{23445330051553} is an apocalyptic number.

It is an amenable number.

23445330051553 is a deficient number, since it is larger than the sum of its proper divisors (14628575).

23445330051553 is a wasteful number, since it uses less digits than its factorization.

23445330051553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14628574.

The product of its (nonzero) digits is 1620000, while the sum is 43.

The spelling of 23445330051553 in words is "twenty-three trillion, four hundred forty-five billion, three hundred thirty million, fifty-one thousand, five hundred fifty-three".