123352442145 has 24 divisors (see below), whose sum is σ = 213825433536. Its totient is φ = 65783497248.

The previous prime is 123352442141. The next prime is 123352442197. The reversal of 123352442145 is 541244253321.

It is a happy number.

123352442145 is a `hidden beast` number, since 1 + 23 + 3 + 52 + 442 + 145 = 666.

It is not a de Polignac number, because 123352442145 - 2² = 123352442141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123352442141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 639522 + ... + 809748.

It is an arithmetic number, because the mean of its divisors is an integer number (8909393064).

Almost surely, 2^123352442145 is an apocalyptic number.

123352442145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

123352442145 is a deficient number, since it is larger than the sum of its proper divisors (90472991391).

123352442145 is a wasteful number, since it uses less digits than its factorization.

123352442145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186341 (or 186338 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

Adding to 123352442145 its reverse (541244253321), we get a palindrome (664596695466).

The spelling of 123352442145 in words is "one hundred twenty-three billion, three hundred fifty-two million, four hundred forty-two thousand, one hundred forty-five".