1423551473 has 2 divisors, whose sum is σ = 1423551474. Its totient is φ = 1423551472.

The previous prime is 1423551461. The next prime is 1423551517. The reversal of 1423551473 is 3741553241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 727488784 + 696062689 = 26972^2 + 26383^2 .

It is a cyclic number.

It is not a de Polignac number, because 1423551473 - 2¹⁴ = 1423535089 is a prime.

It is a super-3 number, since 3×1423551473³ (a number of 28 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1423556473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711775736 + 711775737.

It is an arithmetic number, because the mean of its divisors is an integer number (711775737).

Almost surely, 2^1423551473 is an apocalyptic number.

It is an amenable number.

1423551473 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423551473 is an equidigital number, since it uses as much as digits as its factorization.

1423551473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 50400, while the sum is 35.

The square root of 1423551473 is about 37729.9810893141. The cubic root of 1423551473 is about 1124.9271322022.

The spelling of 1423551473 in words is "one billion, four hundred twenty-three million, five hundred fifty-one thousand, four hundred seventy-three".