1423369481 has 2 divisors, whose sum is σ = 1423369482. Its totient is φ = 1423369480.

The previous prime is 1423369457. The next prime is 1423369499. The reversal of 1423369481 is 1849633241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1331593081 + 91776400 = 36491^2 + 9580^2 .

It is a cyclic number.

It is not a de Polignac number, because 1423369481 - 2⁶ = 1423369417 is a prime.

It is a super-2 number, since 2×1423369481² = 4051961358884418722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1423369411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711684740 + 711684741.

It is an arithmetic number, because the mean of its divisors is an integer number (711684741).

Almost surely, 2^1423369481 is an apocalyptic number.

It is an amenable number.

1423369481 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423369481 is an equidigital number, since it uses as much as digits as its factorization.

1423369481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 41.

The square root of 1423369481 is about 37727.5692431940. The cubic root of 1423369481 is about 1124.8791918999.

The spelling of 1423369481 in words is "one billion, four hundred twenty-three million, three hundred sixty-nine thousand, four hundred eighty-one".