1423565471 has 2 divisors, whose sum is σ = 1423565472. Its totient is φ = 1423565470.

The previous prime is 1423565441. The next prime is 1423565509. The reversal of 1423565471 is 1745653241.

It is an a-pointer prime, because the next prime (1423565509) can be obtained adding 1423565471 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1423565471 - 2¹⁸ = 1423303327 is a prime.

It is a super-3 number, since 3×1423565471³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1423565401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711782735 + 711782736.

It is an arithmetic number, because the mean of its divisors is an integer number (711782736).

Almost surely, 2^1423565471 is an apocalyptic number.

1423565471 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423565471 is an equidigital number, since it uses as much as digits as its factorization.

1423565471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 100800, while the sum is 38.

The square root of 1423565471 is about 37730.1665912039. The cubic root of 1423565471 is about 1124.9308193838.

The spelling of 1423565471 in words is "one billion, four hundred twenty-three million, five hundred sixty-five thousand, four hundred seventy-one".