123869043 has 12 divisors (see below), whose sum is σ = 180933480. Its totient is φ = 81650976.

The previous prime is 123869041. The next prime is 123869047. The reversal of 123869043 is 340968321.

It is not a de Polignac number, because 123869043 - 2¹ = 123869041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123868989 and 123869007.

It is not an unprimeable number, because it can be changed into a prime (123869041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76521 + ... + 78122.

It is an arithmetic number, because the mean of its divisors is an integer number (15077790).

Almost surely, 2^123869043 is an apocalyptic number.

123869043 is a deficient number, since it is larger than the sum of its proper divisors (57064437).

123869043 is a wasteful number, since it uses less digits than its factorization.

123869043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154738 (or 154735 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 123869043 is about 11129.6470294435. The cubic root of 123869043 is about 498.4874865530.

The spelling of 123869043 in words is "one hundred twenty-three million, eight hundred sixty-nine thousand, forty-three".