1423111025 has 48 divisors (see below), whose sum is σ = 2077033728. Its totient is φ = 946944000.

The previous prime is 1423111009. The next prime is 1423111031. The reversal of 1423111025 is 5201113241.

It is not a de Polignac number, because 1423111025 - 2⁴ = 1423111009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1423110988 and 1423111006.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 1728764 + ... + 1729586.

It is an arithmetic number, because the mean of its divisors is an integer number (43271536).

Almost surely, 2^1423111025 is an apocalyptic number.

It is an amenable number.

1423111025 is a deficient number, since it is larger than the sum of its proper divisors (653922703).

1423111025 is a wasteful number, since it uses less digits than its factorization.

1423111025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122 (or 1117 counting only the distinct ones).

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

The square root of 1423111025 is about 37724.1437941274. The cubic root of 1423111025 is about 1124.8111024406.

Adding to 1423111025 its reverse (5201113241), we get a palindrome (6624224266).

The spelling of 1423111025 in words is "one billion, four hundred twenty-three million, one hundred eleven thousand, twenty-five".