123869020 has 24 divisors (see below), whose sum is σ = 283773168. Its totient is φ = 45043200.

The previous prime is 123868991. The next prime is 123869041. The reversal of 123869020 is 20968321.

123869020 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

123869020 is strictly pandigital in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 281301 + ... + 281740.

It is an arithmetic number, because the mean of its divisors is an integer number (11823882).

Almost surely, 2^123869020 is an apocalyptic number.

123869020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123869020 is an abundant number, since it is smaller than the sum of its proper divisors (159904148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123869020 is a wasteful number, since it uses less digits than its factorization.

123869020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563061 (or 563059 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 123869020 is about 11129.6459961672. The cubic root of 123869020 is about 498.4874557000.

The spelling of 123869020 in words is "one hundred twenty-three million, eight hundred sixty-nine thousand, twenty".