123134155350 has 96 divisors (see below), whose sum is σ = 313991108640. Its totient is φ = 31920445440.

The previous prime is 123134155343. The next prime is 123134155363. The reversal of 123134155350 is 53551431321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 795502 + ... + 937598.

It is an arithmetic number, because the mean of its divisors is an integer number (3270740715).

Almost surely, 2^123134155350 is an apocalyptic number.

123134155350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 123134155350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156995554320).

123134155350 is an abundant number, since it is smaller than the sum of its proper divisors (190856953290).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123134155350 is a wasteful number, since it uses less digits than its factorization.

123134155350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142274 (or 142269 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 33.

Adding to 123134155350 its reverse (53551431321), we get a palindrome (176685586671).

The spelling of 123134155350 in words is "one hundred twenty-three billion, one hundred thirty-four million, one hundred fifty-five thousand, three hundred fifty".