123152012235 has 24 divisors (see below), whose sum is σ = 243958272480. Its totient is φ = 56298062592.

The previous prime is 123152012209. The next prime is 123152012257. The reversal of 123152012235 is 532210251321.

123152012235 is a `hidden beast` number, since 1 + 231 + 5 + 201 + 223 + 5 = 666.

It is not a de Polignac number, because 123152012235 - 2¹³ = 123152004043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123152012199 and 123152012208.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 195479070 + ... + 195479699.

It is an arithmetic number, because the mean of its divisors is an integer number (10164928020).

Almost surely, 2^123152012235 is an apocalyptic number.

123152012235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

123152012235 is a deficient number, since it is larger than the sum of its proper divisors (120806260245).

123152012235 is a wasteful number, since it uses less digits than its factorization.

123152012235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390958787 (or 390958784 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 123152012235 its reverse (532210251321), we get a palindrome (655362263556).

The spelling of 123152012235 in words is "one hundred twenty-three billion, one hundred fifty-two million, twelve thousand, two hundred thirty-five".