123376389 has 8 divisors (see below), whose sum is σ = 168948000. Its totient is φ = 80027856.

The previous prime is 123376381. The next prime is 123376399. The reversal of 123376389 is 983673321.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 123376389 - 2³ = 123376381 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123376389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123376381) 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 7 ways as a sum of consecutive naturals, for example, 555639 + ... + 555860.

It is an arithmetic number, because the mean of its divisors is an integer number (21118500).

Almost surely, 2^123376389 is an apocalyptic number.

It is an amenable number.

123376389 is a deficient number, since it is larger than the sum of its proper divisors (45571611).

123376389 is a wasteful number, since it uses less digits than its factorization.

123376389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111539.

The product of its digits is 163296, while the sum is 42.

The square root of 123376389 is about 11107.4924713006. The cubic root of 123376389 is about 497.8257442620.

The spelling of 123376389 in words is "one hundred twenty-three million, three hundred seventy-six thousand, three hundred eighty-nine".