1425522723 has 8 divisors (see below), whose sum is σ = 1900920000. Its totient is φ = 950236968.

The previous prime is 1425522719. The next prime is 1425522731. The reversal of 1425522723 is 3272255241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1425522723 - 2² = 1425522719 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1425522793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8868 + ... + 54126.

It is an arithmetic number, because the mean of its divisors is an integer number (237615000).

Almost surely, 2^1425522723 is an apocalyptic number.

1425522723 is a deficient number, since it is larger than the sum of its proper divisors (475397277).

1425522723 is a wasteful number, since it uses less digits than its factorization.

1425522723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55761.

The product of its digits is 33600, while the sum is 33.

The square root of 1425522723 is about 37756.0951768056. The cubic root of 1425522723 is about 1125.4461369303.

Adding to 1425522723 its reverse (3272255241), we get a palindrome (4697777964).

The spelling of 1425522723 in words is "one billion, four hundred twenty-five million, five hundred twenty-two thousand, seven hundred twenty-three".