123428862 has 24 divisors (see below), whose sum is σ = 273121056. Its totient is φ = 40267296.

The previous prime is 123428861. The next prime is 123428863. The reversal of 123428862 is 268824321.

It is an interprime number because it is at equal distance from previous prime (123428861) and next prime (123428863).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123428861) 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, 72103 + ... + 73794.

It is an arithmetic number, because the mean of its divisors is an integer number (11380044).

Almost surely, 2^123428862 is an apocalyptic number.

123428862 is an abundant number, since it is smaller than the sum of its proper divisors (149692194).

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

123428862 is a wasteful number, since it uses less digits than its factorization.

123428862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145952 (or 145949 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 123428862 is about 11109.8542744718. The cubic root of 123428862 is about 497.8963107294.

The spelling of 123428862 in words is "one hundred twenty-three million, four hundred twenty-eight thousand, eight hundred sixty-two".