123346105523 has 8 divisors (see below), whose sum is σ = 124716699360. Its totient is φ = 121979856960.

The previous prime is 123346105501. The next prime is 123346105549. The reversal of 123346105523 is 325501643321.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123346105523 is a prime.

It is a super-2 number, since 2×123346105523² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123346105123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1029215 + ... + 1142792.

It is an arithmetic number, because the mean of its divisors is an integer number (15589587420).

Almost surely, 2^123346105523 is an apocalyptic number.

123346105523 is a deficient number, since it is larger than the sum of its proper divisors (1370593837).

123346105523 is a wasteful number, since it uses less digits than its factorization.

123346105523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2172637.

The product of its (nonzero) digits is 64800, while the sum is 35.

Adding to 123346105523 its reverse (325501643321), we get a palindrome (448847748844).

The spelling of 123346105523 in words is "one hundred twenty-three billion, three hundred forty-six million, one hundred five thousand, five hundred twenty-three".