23020454555 has 48 divisors (see below), whose sum is σ = 32593557600. Its totient is φ = 15561681408.

The previous prime is 23020454551. The next prime is 23020454557. The reversal of 23020454555 is 55545402032.

It is not a de Polignac number, because 23020454555 - 2² = 23020454551 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (23020454551) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4998884 + ... + 5003486.

It is an arithmetic number, because the mean of its divisors is an integer number (679032450).

Almost surely, 2^23020454555 is an apocalyptic number.

23020454555 is a deficient number, since it is larger than the sum of its proper divisors (9573103045).

23020454555 is a wasteful number, since it uses less digits than its factorization.

23020454555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4908 (or 4901 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 35.

Adding to 23020454555 its reverse (55545402032), we get a palindrome (78565856587).

The spelling of 23020454555 in words is "twenty-three billion, twenty million, four hundred fifty-four thousand, five hundred fifty-five".