123467765855 has 16 divisors (see below), whose sum is σ = 169560168960. Its totient is φ = 84547137312.

The previous prime is 123467765833. The next prime is 123467765857. The reversal of 123467765855 is 558567764321.

It is a cyclic number.

It is not a de Polignac number, because 123467765855 - 2¹⁶ = 123467700319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123467765794 and 123467765803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123467765857) 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, 2400725 + ... + 2451614.

It is an arithmetic number, because the mean of its divisors is an integer number (10597510560).

Almost surely, 2^123467765855 is an apocalyptic number.

123467765855 is a deficient number, since it is larger than the sum of its proper divisors (46092403105).

123467765855 is an equidigital number, since it uses as much as digits as its factorization.

123467765855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4853078.

The product of its digits is 42336000, while the sum is 59.

The spelling of 123467765855 in words is "one hundred twenty-three billion, four hundred sixty-seven million, seven hundred sixty-five thousand, eight hundred fifty-five".