1423110521 has 16 divisors (see below), whose sum is σ = 1695203328. Its totient is φ = 1168981200.

The previous prime is 1423110517. The next prime is 1423110547. The reversal of 1423110521 is 1250113241.

It is a cyclic number.

It is not a de Polignac number, because 1423110521 - 2² = 1423110517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1423110493 and 1423110502.

It is not an unprimeable number, because it can be changed into a prime (1423110121) 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, 9485 + ... + 54186.

It is an arithmetic number, because the mean of its divisors is an integer number (105950208).

Almost surely, 2^1423110521 is an apocalyptic number.

It is an amenable number.

1423110521 is a deficient number, since it is larger than the sum of its proper divisors (272092807).

1423110521 is a wasteful number, since it uses less digits than its factorization.

1423110521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63812.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1423110521 is about 37724.1371140547. The cubic root of 1423110521 is about 1124.8109696552.

Adding to 1423110521 its reverse (1250113241), we get a palindrome (2673223762).

The spelling of 1423110521 in words is "one billion, four hundred twenty-three million, one hundred ten thousand, five hundred twenty-one".