123540225133 has 8 divisors (see below), whose sum is σ = 133074972576. Its totient is φ = 114009999600.

The previous prime is 123540225121. The next prime is 123540225157. The reversal of 123540225133 is 331522045321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123540225133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123540225095 and 123540225104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123540225103) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1073623 + ... + 1183108.

It is an arithmetic number, because the mean of its divisors is an integer number (16634371572).

Almost surely, 2^123540225133 is an apocalyptic number.

123540225133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

123540225133 is a deficient number, since it is larger than the sum of its proper divisors (9534747443).

123540225133 is a wasteful number, since it uses less digits than its factorization.

123540225133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2260955.

The product of its (nonzero) digits is 21600, while the sum is 31.

The spelling of 123540225133 in words is "one hundred twenty-three billion, five hundred forty million, two hundred twenty-five thousand, one hundred thirty-three".