23097843455 has 4 divisors (see below), whose sum is σ = 27717412152. Its totient is φ = 18478274760.

The previous prime is 23097843437. The next prime is 23097843463. The reversal of 23097843455 is 55434879032.

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

It is not a de Polignac number, because 23097843455 - 2¹⁰ = 23097842431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2309784341 + ... + 2309784350.

It is an arithmetic number, because the mean of its divisors is an integer number (6929353038).

Almost surely, 2^23097843455 is an apocalyptic number.

23097843455 is a deficient number, since it is larger than the sum of its proper divisors (4619568697).

23097843455 is an equidigital number, since it uses as much as digits as its factorization.

23097843455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4619568696.

The product of its (nonzero) digits is 3628800, while the sum is 50.

The spelling of 23097843455 in words is "twenty-three billion, ninety-seven million, eight hundred forty-three thousand, four hundred fifty-five".