123274650 has 96 divisors (see below), whose sum is σ = 335067840. Its totient is φ = 29854720.

The previous prime is 123274649. The next prime is 123274651. The reversal of 123274650 is 56472321.

It is an interprime number because it is at equal distance from previous prime (123274649) and next prime (123274651).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (123274651) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 73117 + ... + 74783.

It is an arithmetic number, because the mean of its divisors is an integer number (3490290).

Almost surely, 2^123274650 is an apocalyptic number.

123274650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 123274650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167533920).

123274650 is an abundant number, since it is smaller than the sum of its proper divisors (211793190).

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

123274650 is a wasteful number, since it uses less digits than its factorization.

123274650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1728 (or 1723 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 123274650 is about 11102.9117802494. The cubic root of 123274650 is about 497.6888671224.

The spelling of 123274650 in words is "one hundred twenty-three million, two hundred seventy-four thousand, six hundred fifty".