123111424435 has 8 divisors (see below), whose sum is σ = 147735946656. Its totient is φ = 98487648000.

The previous prime is 123111424427. The next prime is 123111424441. The reversal of 123111424435 is 534424111321.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 123111424435 - 2³ = 123111424427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123111424397 and 123111424406.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285187 + ... + 572323.

It is an arithmetic number, because the mean of its divisors is an integer number (18466993332).

Almost surely, 2^123111424435 is an apocalyptic number.

123111424435 is a deficient number, since it is larger than the sum of its proper divisors (24624522221).

123111424435 is an equidigital number, since it uses as much as digits as its factorization.

123111424435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372893.

The product of its digits is 11520, while the sum is 31.

Adding to 123111424435 its reverse (534424111321), we get a palindrome (657535535756).

The spelling of 123111424435 in words is "one hundred twenty-three billion, one hundred eleven million, four hundred twenty-four thousand, four hundred thirty-five".