123433235135 has 12 divisors (see below), whose sum is σ = 172302720408. Its totient is φ = 84639932496.

The previous prime is 123433235063. The next prime is 123433235141. The reversal of 123433235135 is 531532334321.

It is not a de Polignac number, because 123433235135 - 2¹² = 123433231039 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a junction number, because it is equal to n+sod(n) for n = 123433235095 and 123433235104.

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 11 ways as a sum of consecutive naturals, for example, 251904317 + ... + 251904806.

It is an arithmetic number, because the mean of its divisors is an integer number (14358560034).

Almost surely, 2^123433235135 is an apocalyptic number.

123433235135 is a deficient number, since it is larger than the sum of its proper divisors (48869485273).

123433235135 is an equidigital number, since it uses as much as digits as its factorization.

123433235135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503809142 (or 503809135 counting only the distinct ones).

The product of its digits is 97200, while the sum is 35.

Adding to 123433235135 its reverse (531532334321), we get a palindrome (654965569456).

The spelling of 123433235135 in words is "one hundred twenty-three billion, four hundred thirty-three million, two hundred thirty-five thousand, one hundred thirty-five".