1625448423 has 16 divisors (see below), whose sum is σ = 2329873920. Its totient is φ = 1004754816.

The previous prime is 1625448413. The next prime is 1625448431. The reversal of 1625448423 is 3248445261.

It is not a de Polignac number, because 1625448423 - 2²¹ = 1623351271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1625448413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 300690 + ... + 306047.

It is an arithmetic number, because the mean of its divisors is an integer number (145617120).

Almost surely, 2^1625448423 is an apocalyptic number.

1625448423 is a deficient number, since it is larger than the sum of its proper divisors (704425497).

1625448423 is a wasteful number, since it uses less digits than its factorization.

1625448423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606806.

The product of its digits is 184320, while the sum is 39.

The square root of 1625448423 is about 40316.8503606122. The cubic root of 1625448423 is about 1175.7754767406.

The spelling of 1625448423 in words is "one billion, six hundred twenty-five million, four hundred forty-eight thousand, four hundred twenty-three".