123672950 has 48 divisors (see below), whose sum is σ = 240925056. Its totient is φ = 47174400.

The previous prime is 123672949. The next prime is 123672953. The reversal of 123672950 is 59276321.

123672950 = 381² + 382² + ... + 752².

It is a self number, because there is not a number n which added to its sum of digits gives 123672950.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123672953) 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 23 ways as a sum of consecutive naturals, for example, 112604 + ... + 113696.

It is an arithmetic number, because the mean of its divisors is an integer number (5019272).

Almost surely, 2^123672950 is an apocalyptic number.

123672950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123672950 is a deficient number, since it is larger than the sum of its proper divisors (117252106).

123672950 is a wasteful number, since it uses less digits than its factorization.

123672950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1209 (or 1204 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 123672950 is about 11120.8340514550. The cubic root of 123672950 is about 498.2243012532.

The spelling of 123672950 in words is "one hundred twenty-three million, six hundred seventy-two thousand, nine hundred fifty".