23453455541 has 4 divisors (see below), whose sum is σ = 24025491084. Its totient is φ = 22881420000.

The previous prime is 23453455517. The next prime is 23453455567. The reversal of 23453455541 is 14555435432.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1146838225 + 22306617316 = 33865^2 + 149354^2 .

It is a cyclic number.

It is not a de Polignac number, because 23453455541 - 2¹⁸ = 23453193397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 572035501 = 23453455541 / (2 + 3 + 4 + 5 + 3 + 4 + 5 + 5 + 5 + 4 + 1).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23453445541) 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, 286017710 + ... + 286017791.

It is an arithmetic number, because the mean of its divisors is an integer number (6006372771).

Almost surely, 2^23453455541 is an apocalyptic number.

It is an amenable number.

23453455541 is a deficient number, since it is larger than the sum of its proper divisors (572035543).

23453455541 is an equidigital number, since it uses as much as digits as its factorization.

23453455541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572035542.

The product of its digits is 720000, while the sum is 41.

The spelling of 23453455541 in words is "twenty-three billion, four hundred fifty-three million, four hundred fifty-five thousand, five hundred forty-one".