23144200554473 has 2 divisors, whose sum is σ = 23144200554474. Its totient is φ = 23144200554472.

The previous prime is 23144200554413. The next prime is 23144200554509. The reversal of 23144200554473 is 37445500244132.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16412521230169 + 6731679324304 = 4051237^2 + 2594548^2 .

It is a cyclic number.

It is not a de Polignac number, because 23144200554473 - 2²² = 23144196360169 is a prime.

It is not a weakly prime, because it can be changed into another prime (23144200554413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11572100277236 + 11572100277237.

It is an arithmetic number, because the mean of its divisors is an integer number (11572100277237).

Almost surely, 2^{23144200554473} is an apocalyptic number.

It is an amenable number.

23144200554473 is a deficient number, since it is larger than the sum of its proper divisors (1).

23144200554473 is an equidigital number, since it uses as much as digits as its factorization.

23144200554473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1612800, while the sum is 44.

The spelling of 23144200554473 in words is "twenty-three trillion, one hundred forty-four billion, two hundred million, five hundred fifty-four thousand, four hundred seventy-three".