123422657725 has 48 divisors (see below), whose sum is σ = 157737404160. Its totient is φ = 95742080000.

The previous prime is 123422657719. The next prime is 123422657789. The reversal of 123422657725 is 527756224321.

It is a happy number.

It is not a de Polignac number, because 123422657725 - 2¹⁵ = 123422624957 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 216911241 + ... + 216911809.

It is an arithmetic number, because the mean of its divisors is an integer number (3286195920).

Almost surely, 2^123422657725 is an apocalyptic number.

It is an amenable number.

123422657725 is a deficient number, since it is larger than the sum of its proper divisors (34314746435).

123422657725 is a wasteful number, since it uses less digits than its factorization.

123422657725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1542 (or 1537 counting only the distinct ones).

The product of its digits is 1411200, while the sum is 46.

The spelling of 123422657725 in words is "one hundred twenty-three billion, four hundred twenty-two million, six hundred fifty-seven thousand, seven hundred twenty-five".