123149048 has 32 divisors (see below), whose sum is σ = 256176000. Its totient is φ = 55025760.

The previous prime is 123149027. The next prime is 123149053. The reversal of 123149048 is 840941321.

It is a happy number.

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, 6668 + ... + 17051.

It is an arithmetic number, because the mean of its divisors is an integer number (8005500).

Almost surely, 2^123149048 is an apocalyptic number.

It is an amenable number.

123149048 is an abundant number, since it is smaller than the sum of its proper divisors (133026952).

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

123149048 is a wasteful number, since it uses less digits than its factorization.

123149048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23795 (or 23791 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 123149048 is about 11097.2540747700. The cubic root of 123149048 is about 497.5197813738.

The spelling of 123149048 in words is "one hundred twenty-three million, one hundred forty-nine thousand, forty-eight".