123467351969 has 4 divisors (see below), whose sum is σ = 132964840596. Its totient is φ = 113969863344.

The previous prime is 123467351963. The next prime is 123467352023. The reversal of 123467351969 is 969153764321.

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

It can be written as a sum of positive squares in 2 ways, for example, as 48968378944 + 74498973025 = 221288^2 + 272945^2 .

It is a cyclic number.

It is not a de Polignac number, because 123467351969 - 2⁸ = 123467351713 is a prime.

It is a super-2 number, since 2×123467351969² (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 (123467351963) 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, 4748744294 + ... + 4748744319.

It is an arithmetic number, because the mean of its divisors is an integer number (33241210149).

Almost surely, 2^123467351969 is an apocalyptic number.

It is an amenable number.

123467351969 is a deficient number, since it is larger than the sum of its proper divisors (9497488627).

123467351969 is an equidigital number, since it uses as much as digits as its factorization.

123467351969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9497488626.

The product of its digits is 7348320, while the sum is 56.

The spelling of 123467351969 in words is "one hundred twenty-three billion, four hundred sixty-seven million, three hundred fifty-one thousand, nine hundred sixty-nine".