1423465901 has 16 divisors (see below), whose sum is σ = 1686164928. Its totient is φ = 1194502320.

The previous prime is 1423465889. The next prime is 1423465907. The reversal of 1423465901 is 1095643241.

It is not a de Polignac number, because 1423465901 - 2²² = 1419271597 is a prime.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423465907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23831 + ... + 58436.

It is an arithmetic number, because the mean of its divisors is an integer number (105385308).

Almost surely, 2^1423465901 is an apocalyptic number.

1423465901 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1423465901 is a deficient number, since it is larger than the sum of its proper divisors (262699027).

1423465901 is an equidigital number, since it uses as much as digits as its factorization.

1423465901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82313 (or 82291 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 1423465901 is about 37728.8470669328. The cubic root of 1423465901 is about 1124.9045913492.

The spelling of 1423465901 in words is "one billion, four hundred twenty-three million, four hundred sixty-five thousand, nine hundred one".