123463553111 has 4 divisors (see below), whose sum is σ = 123513480192. Its totient is φ = 123413626032.

The previous prime is 123463553107. The next prime is 123463553137. The reversal of 123463553111 is 111355364321.

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

It is a cyclic number.

It is not a de Polignac number, because 123463553111 - 2² = 123463553107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123463553911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24959831 + ... + 24964776.

It is an arithmetic number, because the mean of its divisors is an integer number (30878370048).

Almost surely, 2^123463553111 is an apocalyptic number.

123463553111 is a deficient number, since it is larger than the sum of its proper divisors (49927081).

123463553111 is an equidigital number, since it uses as much as digits as its factorization.

123463553111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49927080.

The product of its digits is 32400, while the sum is 35.

The spelling of 123463553111 in words is "one hundred twenty-three billion, four hundred sixty-three million, five hundred fifty-three thousand, one hundred eleven".