123870326 has 4 divisors (see below), whose sum is σ = 185805492. Its totient is φ = 61935162.

The previous prime is 123870317. The next prime is 123870353. The reversal of 123870326 is 623078321.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 123870292 and 123870301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30967580 + ... + 30967583.

It is an arithmetic number, because the mean of its divisors is an integer number (46451373).

Almost surely, 2^123870326 is an apocalyptic number.

123870326 is a deficient number, since it is larger than the sum of its proper divisors (61935166).

123870326 is an equidigital number, since it uses as much as digits as its factorization.

123870326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61935165.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 123870326 is about 11129.7046681392. The cubic root of 123870326 is about 498.4892076105.

The spelling of 123870326 in words is "one hundred twenty-three million, eight hundred seventy thousand, three hundred twenty-six".