123054325681 has 15 divisors (see below), whose sum is σ = 143574893241. Its totient is φ = 105460403076.

The previous prime is 123054325663. The next prime is 123054325729. The reversal of 123054325681 is 186523450321.

The square root of 123054325681 is 350791.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 123054325681 - 2²¹ = 123052228529 is a prime.

It is a super-2 number, since 2×123054325681² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123054325621) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 17185180 + ... + 17192338.

Almost surely, 2^123054325681 is an apocalyptic number.

123054325681 is the 350791-st square number.

123054325681 is the 175396-th centered octagonal number.

It is an amenable number.

123054325681 is a deficient number, since it is larger than the sum of its proper divisors (20520567560).

123054325681 is an frugal number, since it uses more digits than its factorization.

123054325681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14346 (or 7166 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 123054325681 in words is "one hundred twenty-three billion, fifty-four million, three hundred twenty-five thousand, six hundred eighty-one".