123554361 has 16 divisors (see below), whose sum is σ = 192866688. Its totient is φ = 68880000.

The previous prime is 123554357. The next prime is 123554383. The reversal of 123554361 is 163455321.

It is not a de Polignac number, because 123554361 - 2² = 123554357 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123554311) 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, 70890 + ... + 72611.

It is an arithmetic number, because the mean of its divisors is an integer number (12054168).

Almost surely, 2^123554361 is an apocalyptic number.

It is an amenable number.

123554361 is a deficient number, since it is larger than the sum of its proper divisors (69312327).

123554361 is a wasteful number, since it uses less digits than its factorization.

123554361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143552.

The product of its digits is 10800, while the sum is 30.

The square root of 123554361 is about 11115.5009333813. The cubic root of 123554361 is about 498.0650025632.

The spelling of 123554361 in words is "one hundred twenty-three million, five hundred fifty-four thousand, three hundred sixty-one".