123008892 has 12 divisors (see below), whose sum is σ = 287020776. Its totient is φ = 41002960.

The previous prime is 123008891. The next prime is 123008903. The reversal of 123008892 is 298800321.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×123008892² = 30262375022135328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123008891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5125359 + ... + 5125382.

It is an arithmetic number, because the mean of its divisors is an integer number (23918398).

Almost surely, 2^123008892 is an apocalyptic number.

123008892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123008892 is an abundant number, since it is smaller than the sum of its proper divisors (164011884).

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

123008892 is a wasteful number, since it uses less digits than its factorization.

123008892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10250748 (or 10250746 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 123008892 is about 11090.9373814840. The cubic root of 123008892 is about 497.3309672126.

The spelling of 123008892 in words is "one hundred twenty-three million, eight thousand, eight hundred ninety-two".