123214113544 has 64 divisors (see below), whose sum is σ = 261214502400. Its totient is φ = 54177715200.

The previous prime is 123214113509. The next prime is 123214113599. The reversal of 123214113544 is 445311412321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 381622 + ... + 626149.

It is an arithmetic number, because the mean of its divisors is an integer number (4081476600).

Almost surely, 2^123214113544 is an apocalyptic number.

It is an amenable number.

123214113544 is an abundant number, since it is smaller than the sum of its proper divisors (138000388856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123214113544 is a wasteful number, since it uses less digits than its factorization.

123214113544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007854 (or 1007850 counting only the distinct ones).

The product of its digits is 11520, while the sum is 31.

Adding to 123214113544 its reverse (445311412321), we get a palindrome (568525525865).

The spelling of 123214113544 in words is "one hundred twenty-three billion, two hundred fourteen million, one hundred thirteen thousand, five hundred forty-four".