1423651061 has 16 divisors (see below), whose sum is σ = 1661644800. Its totient is φ = 1194487728.

The previous prime is 1423651049. The next prime is 1423651129. The reversal of 1423651061 is 1601563241.

It is a happy number.

It is not a de Polignac number, because 1423651061 - 2⁶ = 1423650997 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 (1423651561) 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, 91496 + ... + 105918.

It is an arithmetic number, because the mean of its divisors is an integer number (103852800).

Almost surely, 2^1423651061 is an apocalyptic number.

It is an amenable number.

1423651061 is a deficient number, since it is larger than the sum of its proper divisors (237993739).

1423651061 is a wasteful number, since it uses less digits than its factorization.

1423651061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14728.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 1423651061 is about 37731.3008124554. The cubic root of 1423651061 is about 1124.9533639268.

The spelling of 1423651061 in words is "one billion, four hundred twenty-three million, six hundred fifty-one thousand, sixty-one".