123274016450 has 72 divisors (see below), whose sum is σ = 248457521808. Its totient is φ = 45484770240.

The previous prime is 123274016441. The next prime is 123274016477. The reversal of 123274016450 is 54610472321.

It is a super-3 number, since 3×123274016450³ (a number of 34 digits) contains 333 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 123274016450.

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 14555117 + ... + 14563583.

It is an arithmetic number, because the mean of its divisors is an integer number (3450798914).

Almost surely, 2^123274016450 is an apocalyptic number.

123274016450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123274016450 is an abundant number, since it is smaller than the sum of its proper divisors (125183505358).

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

123274016450 is a wasteful number, since it uses less digits than its factorization.

123274016450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10228 (or 10210 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

Adding to 123274016450 its reverse (54610472321), we get a palindrome (177884488771).

The spelling of 123274016450 in words is "one hundred twenty-three billion, two hundred seventy-four million, sixteen thousand, four hundred fifty".