23554454399 has 24 divisors (see below), whose sum is σ = 28912762080. Its totient is φ = 19094659584.

The previous prime is 23554454383. The next prime is 23554454401. The reversal of 23554454399 is 99345445532.

It is not a de Polignac number, because 23554454399 - 2⁴ = 23554454383 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23554454399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23554456399) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17114 + ... + 217719.

It is an arithmetic number, because the mean of its divisors is an integer number (1204698420).

Almost surely, 2^23554454399 is an apocalyptic number.

23554454399 is a deficient number, since it is larger than the sum of its proper divisors (5358307681).

23554454399 is a wasteful number, since it uses less digits than its factorization.

23554454399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234959 (or 234952 counting only the distinct ones).

The product of its digits is 11664000, while the sum is 53.

The spelling of 23554454399 in words is "twenty-three billion, five hundred fifty-four million, four hundred fifty-four thousand, three hundred ninety-nine".