123997804 has 24 divisors (see below), whose sum is σ = 254700320. Its totient is φ = 51705216.

The previous prime is 123997759. The next prime is 123997829. The reversal of 123997804 is 408799321.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58809 + ... + 60880.

Almost surely, 2^123997804 is an apocalyptic number.

123997804 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

123997804 is an abundant number, since it is smaller than the sum of its proper divisors (130702516).

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

123997804 is a wasteful number, since it uses less digits than its factorization.

123997804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119737 (or 119735 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 123997804 is about 11135.4301219127. The cubic root of 123997804 is about 498.6601514856.

The spelling of 123997804 in words is "one hundred twenty-three million, nine hundred ninety-seven thousand, eight hundred four".