1625320123 has 8 divisors (see below), whose sum is σ = 1857768192. Its totient is φ = 1392936936.

The previous prime is 1625320079. The next prime is 1625320133. The reversal of 1625320123 is 3210235261.

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

It is a cyclic number.

It is not a de Polignac number, because 1625320123 - 2⁹ = 1625319611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1625320133) 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, 63786 + ... + 85552.

It is an arithmetic number, because the mean of its divisors is an integer number (232221024).

Almost surely, 2^1625320123 is an apocalyptic number.

1625320123 is a deficient number, since it is larger than the sum of its proper divisors (232448069).

1625320123 is a wasteful number, since it uses less digits than its factorization.

1625320123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32441.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 1625320123 is about 40315.2591830934. The cubic root of 1625320123 is about 1175.7445404646.

Adding to 1625320123 its reverse (3210235261), we get a palindrome (4835555384).

The spelling of 1625320123 in words is "one billion, six hundred twenty-five million, three hundred twenty thousand, one hundred twenty-three".