123354245351 has 16 divisors (see below), whose sum is σ = 127100113920. Its totient is φ = 119630662560.

The previous prime is 123354245291. The next prime is 123354245353. The reversal of 123354245351 is 153542453321.

It is a cyclic number.

It is not a de Polignac number, because 123354245351 - 2³⁴ = 106174376167 is a prime.

It is a super-2 number, since 2×123354245351² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123354245353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17949446 + ... + 17956316.

It is an arithmetic number, because the mean of its divisors is an integer number (7943757120).

Almost surely, 2^123354245351 is an apocalyptic number.

123354245351 is a deficient number, since it is larger than the sum of its proper divisors (3745868569).

123354245351 is a wasteful number, since it uses less digits than its factorization.

123354245351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8414.

The product of its digits is 216000, while the sum is 38.

Adding to 123354245351 its reverse (153542453321), we get a palindrome (276896698672).

The spelling of 123354245351 in words is "one hundred twenty-three billion, three hundred fifty-four million, two hundred forty-five thousand, three hundred fifty-one".