123135245030 has 64 divisors (see below), whose sum is σ = 271669800960. Its totient is φ = 39241148544.

The previous prime is 123135245029. The next prime is 123135245137. The reversal of 123135245030 is 30542531321.

It is a happy number.

123135245030 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 123135244984 and 123135245002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 802934 + ... + 943913.

It is an arithmetic number, because the mean of its divisors is an integer number (4244840640).

Almost surely, 2^123135245030 is an apocalyptic number.

123135245030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123135245030 is an abundant number, since it is smaller than the sum of its proper divisors (148534555930).

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

123135245030 is a wasteful number, since it uses less digits than its factorization.

123135245030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1746933.

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 123135245030 its reverse (30542531321), we get a palindrome (153677776351).

The spelling of 123135245030 in words is "one hundred twenty-three billion, one hundred thirty-five million, two hundred forty-five thousand, thirty".