123354546761 has 4 divisors (see below), whose sum is σ = 124915996800. Its totient is φ = 121793096724.

The previous prime is 123354546743. The next prime is 123354546839. The reversal of 123354546761 is 167645453321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 167645453321 = 2437 ⋅68791733.

It is a cyclic number.

It is not a de Polignac number, because 123354546761 - 2²² = 123350352457 is a prime.

It is a super-2 number, since 2×123354546761² (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 (123354546061) 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 3 ways as a sum of consecutive naturals, for example, 780724901 + ... + 780725058.

It is an arithmetic number, because the mean of its divisors is an integer number (31228999200).

Almost surely, 2^123354546761 is an apocalyptic number.

It is an amenable number.

123354546761 is a deficient number, since it is larger than the sum of its proper divisors (1561450039).

123354546761 is an equidigital number, since it uses as much as digits as its factorization.

123354546761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1561450038.

The product of its digits is 1814400, while the sum is 47.

The spelling of 123354546761 in words is "one hundred twenty-three billion, three hundred fifty-four million, five hundred forty-six thousand, seven hundred sixty-one".