123456677900 has 36 divisors (see below), whose sum is σ = 268710431640. Its totient is φ = 49233465600.

The previous prime is 123456677863. The next prime is 123456677917. The reversal of 123456677900 is 9776654321.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1831805 + ... + 1898004.

Almost surely, 2^123456677900 is an apocalyptic number.

123456677900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123456677900 is an abundant number, since it is smaller than the sum of its proper divisors (145253753740).

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

123456677900 is a wasteful number, since it uses less digits than its factorization.

123456677900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3730154 (or 3730147 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 50.

The spelling of 123456677900 in words is "one hundred twenty-three billion, four hundred fifty-six million, six hundred seventy-seven thousand, nine hundred".