123141355 has 4 divisors (see below), whose sum is σ = 147769632. Its totient is φ = 98513080.

The previous prime is 123141349. The next prime is 123141367. The reversal of 123141355 is 553141321.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 123141355 - 2¹³ = 123133163 is a prime.

It is a super-2 number, since 2×123141355² = 30327586622472050, which contains 22 as substring.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 12314131 + ... + 12314140.

It is an arithmetic number, because the mean of its divisors is an integer number (36942408).

Almost surely, 2^123141355 is an apocalyptic number.

123141355 is a deficient number, since it is larger than the sum of its proper divisors (24628277).

123141355 is an equidigital number, since it uses as much as digits as its factorization.

123141355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24628276.

The product of its digits is 1800, while the sum is 25.

The square root of 123141355 is about 11096.9074520787. The cubic root of 123141355 is about 497.5094213008.

Adding to 123141355 its reverse (553141321), we get a palindrome (676282676).

The spelling of 123141355 in words is "one hundred twenty-three million, one hundred forty-one thousand, three hundred fifty-five".