23555222473 has 2 divisors, whose sum is σ = 23555222474. Its totient is φ = 23555222472.

The previous prime is 23555222459. The next prime is 23555222489. The reversal of 23555222473 is 37422255532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23117073849 + 438148624 = 152043^2 + 20932^2 .

It is a cyclic number.

It is not a de Polignac number, because 23555222473 - 2⁵ = 23555222441 is a prime.

It is not a weakly prime, because it can be changed into another prime (23555222573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11777611236 + 11777611237.

It is an arithmetic number, because the mean of its divisors is an integer number (11777611237).

Almost surely, 2^23555222473 is an apocalyptic number.

It is an amenable number.

23555222473 is a deficient number, since it is larger than the sum of its proper divisors (1).

23555222473 is an equidigital number, since it uses as much as digits as its factorization.

23555222473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 504000, while the sum is 40.

The spelling of 23555222473 in words is "twenty-three billion, five hundred fifty-five million, two hundred twenty-two thousand, four hundred seventy-three".