123345950 has 48 divisors (see below), whose sum is σ = 282377760. Its totient is φ = 39035520.

The previous prime is 123345923. The next prime is 123345953. The reversal of 123345950 is 59543321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123345953) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9005 + ... + 18104.

It is an arithmetic number, because the mean of its divisors is an integer number (5882870).

Almost surely, 2^123345950 is an apocalyptic number.

123345950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123345950 is an abundant number, since it is smaller than the sum of its proper divisors (159031810).

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

123345950 is a wasteful number, since it uses less digits than its factorization.

123345950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27141 (or 27136 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 123345950 is about 11106.1221855335. The cubic root of 123345950 is about 497.7848002740.

The spelling of 123345950 in words is "one hundred twenty-three million, three hundred forty-five thousand, nine hundred fifty".