1423131901 has 16 divisors (see below), whose sum is σ = 1521049600. Its totient is φ = 1327678128.

The previous prime is 1423131893. The next prime is 1423131917. The reversal of 1423131901 is 1091313241.

It is a cyclic number.

It is not a de Polignac number, because 1423131901 - 2³ = 1423131893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423131971) 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, 333286 + ... + 337528.

It is an arithmetic number, because the mean of its divisors is an integer number (95065600).

Almost surely, 2^1423131901 is an apocalyptic number.

It is an amenable number.

1423131901 is a deficient number, since it is larger than the sum of its proper divisors (97917699).

1423131901 is a wasteful number, since it uses less digits than its factorization.

1423131901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4528.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 1423131901 is about 37724.4204859399. The cubic root of 1423131901 is about 1124.8166024663.

The spelling of 1423131901 in words is "one billion, four hundred twenty-three million, one hundred thirty-one thousand, nine hundred one".