25045353123 has 32 divisors (see below), whose sum is σ = 38406905856. Its totient is φ = 14220962208.

The previous prime is 25045353121. The next prime is 25045353167. The reversal of 25045353123 is 32135354052.

It is not a de Polignac number, because 25045353123 - 2¹ = 25045353121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25045353121) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 2175340 + ... + 2186822.

It is an arithmetic number, because the mean of its divisors is an integer number (1200215808).

Almost surely, 2^25045353123 is an apocalyptic number.

25045353123 is a deficient number, since it is larger than the sum of its proper divisors (13361552733).

25045353123 is a wasteful number, since it uses less digits than its factorization.

25045353123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12143.

The product of its (nonzero) digits is 54000, while the sum is 33.

The spelling of 25045353123 in words is "twenty-five billion, forty-five million, three hundred fifty-three thousand, one hundred twenty-three".