123542325105 has 8 divisors (see below), whose sum is σ = 197667720192. Its totient is φ = 65889240048.

The previous prime is 123542325019. The next prime is 123542325113. The reversal of 123542325105 is 501523245321.

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

It is not a de Polignac number, because 123542325105 - 2⁷ = 123542324977 is a prime.

It is a super-2 number, since 2×123542325105² (a number of 23 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 4118077489 + ... + 4118077518.

It is an arithmetic number, because the mean of its divisors is an integer number (24708465024).

Almost surely, 2^123542325105 is an apocalyptic number.

123542325105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

123542325105 is a deficient number, since it is larger than the sum of its proper divisors (74125395087).

123542325105 is an equidigital number, since it uses as much as digits as its factorization.

123542325105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8236155015.

The product of its (nonzero) digits is 36000, while the sum is 33.

The spelling of 123542325105 in words is "one hundred twenty-three billion, five hundred forty-two million, three hundred twenty-five thousand, one hundred five".