123142544045355 has 8 divisors (see below), whose sum is σ = 197028070472592. Its totient is φ = 65676023490848.

The previous prime is 123142544045327. The next prime is 123142544045369. The reversal of 123142544045355 is 553540445241321.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 123142544045355 - 2⁹ = 123142544044843 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4104751468164 + ... + 4104751468193.

It is an arithmetic number, because the mean of its divisors is an integer number (24628508809074).

Almost surely, 2^{123142544045355} is an apocalyptic number.

123142544045355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

123142544045355 is a deficient number, since it is larger than the sum of its proper divisors (73885526427237).

123142544045355 is an equidigital number, since it uses as much as digits as its factorization.

123142544045355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8209502936365.

The product of its (nonzero) digits is 5760000, while the sum is 48.

Adding to 123142544045355 its reverse (553540445241321), we get a palindrome (676682989286676).

The spelling of 123142544045355 in words is "one hundred twenty-three trillion, one hundred forty-two billion, five hundred forty-four million, forty-five thousand, three hundred fifty-five".