123424123351 has 4 divisors (see below), whose sum is σ = 123428156400. Its totient is φ = 123420090304.

The previous prime is 123424123331. The next prime is 123424123379. The reversal of 123424123351 is 153321424321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 123424123351 - 2²¹ = 123422026199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123424123321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1970266 + ... + 2031943.

It is an arithmetic number, because the mean of its divisors is an integer number (30857039100).

Almost surely, 2^123424123351 is an apocalyptic number.

123424123351 is a deficient number, since it is larger than the sum of its proper divisors (4033049).

123424123351 is an equidigital number, since it uses as much as digits as its factorization.

123424123351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4033048.

The product of its digits is 17280, while the sum is 31.

Adding to 123424123351 its reverse (153321424321), we get a palindrome (276745547672).

The spelling of 123424123351 in words is "one hundred twenty-three billion, four hundred twenty-four million, one hundred twenty-three thousand, three hundred fifty-one".