23366554354243 has 2 divisors, whose sum is σ = 23366554354244. Its totient is φ = 23366554354242.

The previous prime is 23366554354211. The next prime is 23366554354277. The reversal of 23366554354243 is 34245345566332.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23366554354243 - 2⁵ = 23366554354211 is a prime.

It is not a weakly prime, because it can be changed into another prime (23366554354043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11683277177121 + 11683277177122.

It is an arithmetic number, because the mean of its divisors is an integer number (11683277177122).

Almost surely, 2^{23366554354243} is an apocalyptic number.

23366554354243 is a deficient number, since it is larger than the sum of its proper divisors (1).

23366554354243 is an equidigital number, since it uses as much as digits as its factorization.

23366554354243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312000, while the sum is 55.

The spelling of 23366554354243 in words is "twenty-three trillion, three hundred sixty-six billion, five hundred fifty-four million, three hundred fifty-four thousand, two hundred forty-three".