1423540524 has 24 divisors (see below), whose sum is σ = 3796108288. Its totient is φ = 406725840.

The previous prime is 1423540523. The next prime is 1423540537. The reversal of 1423540524 is 4250453241.

It is a junction number, because it is equal to n+sod(n) for n = 1423540491 and 1423540500.

It is not an unprimeable number, because it can be changed into a prime (1423540523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8473372 + ... + 8473539.

Almost surely, 2^1423540524 is an apocalyptic number.

1423540524 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1423540524 is an abundant number, since it is smaller than the sum of its proper divisors (2372567764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1423540524 is a wasteful number, since it uses less digits than its factorization.

1423540524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16946925 (or 16946923 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 1423540524 is about 37729.8359922224. The cubic root of 1423540524 is about 1124.9242481339.

Adding to 1423540524 its reverse (4250453241), we get a palindrome (5673993765).

The spelling of 1423540524 in words is "one billion, four hundred twenty-three million, five hundred forty thousand, five hundred twenty-four".