23554415473 has 2 divisors, whose sum is σ = 23554415474. Its totient is φ = 23554415472.

The previous prime is 23554415431. The next prime is 23554415497. The reversal of 23554415473 is 37451445532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17916357904 + 5638057569 = 133852^2 + 75087^2 .

It is a cyclic number.

It is not a de Polignac number, because 23554415473 - 2¹³ = 23554407281 is a prime.

It is not a weakly prime, because it can be changed into another prime (23554215473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11777207736 + 11777207737.

It is an arithmetic number, because the mean of its divisors is an integer number (11777207737).

Almost surely, 2^23554415473 is an apocalyptic number.

It is an amenable number.

23554415473 is a deficient number, since it is larger than the sum of its proper divisors (1).

23554415473 is an equidigital number, since it uses as much as digits as its factorization.

23554415473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1008000, while the sum is 43.

The spelling of 23554415473 in words is "twenty-three billion, five hundred fifty-four million, four hundred fifteen thousand, four hundred seventy-three".