123213116489948 has 24 divisors (see below), whose sum is σ = 227165357637120. Its totient is φ = 58314266515440.

The previous prime is 123213116489941. The next prime is 123213116490029. The reversal of 123213116489948 is 849984611312321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123213116489941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 692150636 + ... + 692328627.

It is an arithmetic number, because the mean of its divisors is an integer number (9465223234880).

Almost surely, 2^{123213116489948} is an apocalyptic number.

It is an amenable number.

123213116489948 is a deficient number, since it is larger than the sum of its proper divisors (103952241147172).

123213116489948 is a wasteful number, since it uses less digits than its factorization.

123213116489948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1384480457 (or 1384480455 counting only the distinct ones).

The product of its digits is 17915904, while the sum is 62.

The spelling of 123213116489948 in words is "one hundred twenty-three trillion, two hundred thirteen billion, one hundred sixteen million, four hundred eighty-nine thousand, nine hundred forty-eight".