123351429 has 8 divisors (see below), whose sum is σ = 165330432. Its totient is φ = 81803360.

The previous prime is 123351409. The next prime is 123351457. The reversal of 123351429 is 924153321.

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

It is a cyclic number.

It is not a de Polignac number, because 123351429 - 2⁹ = 123350917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123351396 and 123351405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123351409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107064 + ... + 108209.

It is an arithmetic number, because the mean of its divisors is an integer number (20666304).

Almost surely, 2^123351429 is an apocalyptic number.

It is an amenable number.

123351429 is a deficient number, since it is larger than the sum of its proper divisors (41979003).

123351429 is a wasteful number, since it uses less digits than its factorization.

123351429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215467.

The product of its digits is 6480, while the sum is 30.

The square root of 123351429 is about 11106.3688485481. The cubic root of 123351429 is about 497.7921706620.

The spelling of 123351429 in words is "one hundred twenty-three million, three hundred fifty-one thousand, four hundred twenty-nine".