123426966 has 32 divisors (see below), whose sum is σ = 266273280. Its totient is φ = 37916064.

The previous prime is 123426943. The next prime is 123426967. The reversal of 123426966 is 669624321.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123426967) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80281 + ... + 81803.

It is an arithmetic number, because the mean of its divisors is an integer number (8321040).

Almost surely, 2^123426966 is an apocalyptic number.

123426966 is an abundant number, since it is smaller than the sum of its proper divisors (142846314).

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

123426966 is a wasteful number, since it uses less digits than its factorization.

123426966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2580.

The product of its digits is 93312, while the sum is 39.

The square root of 123426966 is about 11109.7689444921. The cubic root of 123426966 is about 497.8937613089.

The spelling of 123426966 in words is "one hundred twenty-three million, four hundred twenty-six thousand, nine hundred sixty-six".