673887123 has 96 divisors (see below), whose sum is σ = 1313020800. Its totient is φ = 322818048.

The previous prime is 673887121. The next prime is 673887127. The reversal of 673887123 is 321788376.

It is not a de Polignac number, because 673887123 - 2¹ = 673887121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (673887121) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 402933 + ... + 404601.

It is an arithmetic number, because the mean of its divisors is an integer number (13677300).

Almost surely, 2^673887123 is an apocalyptic number.

673887123 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

673887123 is a deficient number, since it is larger than the sum of its proper divisors (639133677).

673887123 is a wasteful number, since it uses less digits than its factorization.

673887123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1741 (or 1738 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 673887123 is about 25959.3359506749. The cubic root of 673887123 is about 876.7229715283.

The spelling of 673887123 in words is "six hundred seventy-three million, eight hundred eighty-seven thousand, one hundred twenty-three".