123922845 has 32 divisors (see below), whose sum is σ = 231907200. Its totient is φ = 62612352.

The previous prime is 123922823. The next prime is 123922847. The reversal of 123922845 is 548229321.

It is a happy number.

It is not a de Polignac number, because 123922845 - 2¹⁰ = 123921821 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123922847) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21592 + ... + 26721.

It is an arithmetic number, because the mean of its divisors is an integer number (7247100).

Almost surely, 2^123922845 is an apocalyptic number.

123922845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

123922845 is a deficient number, since it is larger than the sum of its proper divisors (107984355).

123922845 is a wasteful number, since it uses less digits than its factorization.

123922845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48346 (or 48340 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 123922845 is about 11132.0638248260. The cubic root of 123922845 is about 498.5596480903.

The spelling of 123922845 in words is "one hundred twenty-three million, nine hundred twenty-two thousand, eight hundred forty-five".