1423245542 has 16 divisors (see below), whose sum is σ = 2264969952. Its totient is φ = 668423040.

The previous prime is 1423245533. The next prime is 1423245583. The reversal of 1423245542 is 2455423241.

It is a junction number, because it is equal to n+sod(n) for n = 1423245499 and 1423245508.

It is a congruent number.

It is an unprimeable number.

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, 24509 + ... + 58712.

It is an arithmetic number, because the mean of its divisors is an integer number (141560622).

Almost surely, 2^1423245542 is an apocalyptic number.

1423245542 is a deficient number, since it is larger than the sum of its proper divisors (841724410).

1423245542 is a wasteful number, since it uses less digits than its factorization.

1423245542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83743.

The product of its digits is 38400, while the sum is 32.

The square root of 1423245542 is about 37725.9266552858. The cubic root of 1423245542 is about 1124.8465415701.

Adding to 1423245542 its reverse (2455423241), we get a palindrome (3878668783).

The spelling of 1423245542 in words is "one billion, four hundred twenty-three million, two hundred forty-five thousand, five hundred forty-two".