122378823 has 48 divisors (see below), whose sum is σ = 212340960. Its totient is φ = 69455232.

The previous prime is 122378807. The next prime is 122378849. The reversal of 122378823 is 328873221.

It is a happy number.

It is not a de Polignac number, because 122378823 - 2⁴ = 122378807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122378863) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 308061 + ... + 308457.

It is an arithmetic number, because the mean of its divisors is an integer number (4423770).

Almost surely, 2^122378823 is an apocalyptic number.

122378823 is a deficient number, since it is larger than the sum of its proper divisors (89962137).

122378823 is a wasteful number, since it uses less digits than its factorization.

122378823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653 (or 640 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 122378823 is about 11062.4962372875. The cubic root of 122378823 is about 496.4803800171.

It can be divided in two parts, 122378 and 823, that added together give a square (123201 = 351²).

The spelling of 122378823 in words is "one hundred twenty-two million, three hundred seventy-eight thousand, eight hundred twenty-three".