123654533401 has 16 divisors (see below), whose sum is σ = 142281907200. Its totient is φ = 105268363200.

The previous prime is 123654533381. The next prime is 123654533407. The reversal of 123654533401 is 104335456321.

It is not a de Polignac number, because 123654533401 - 2⁵ = 123654533369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123654533407) 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 15 ways as a sum of consecutive naturals, for example, 2613051 + ... + 2659951.

It is an arithmetic number, because the mean of its divisors is an integer number (8892619200).

Almost surely, 2^123654533401 is an apocalyptic number.

It is an amenable number.

123654533401 is a deficient number, since it is larger than the sum of its proper divisors (18627373799).

123654533401 is a wasteful number, since it uses less digits than its factorization.

123654533401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49464.

The product of its (nonzero) digits is 129600, while the sum is 37.

Adding to 123654533401 its reverse (104335456321), we get a palindrome (227989989722).

The spelling of 123654533401 in words is "one hundred twenty-three billion, six hundred fifty-four million, five hundred thirty-three thousand, four hundred one".