123903404677 has 18 divisors (see below), whose sum is σ = 134330168882. Its totient is φ = 113609711424.

The previous prime is 123903404659. The next prime is 123903404693. The reversal of 123903404677 is 776404309321.

It can be written as a sum of positive squares in 3 ways, for example, as 1790897761 + 122112506916 = 42319^2 + 349446^2 .

It is not a de Polignac number, because 123903404677 - 2²⁷ = 123769186949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123903444677) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 295711974 + ... + 295712392.

Almost surely, 2^123903404677 is an apocalyptic number.

It is an amenable number.

123903404677 is a deficient number, since it is larger than the sum of its proper divisors (10426764205).

123903404677 is an frugal number, since it uses more digits than its factorization.

123903404677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1317 (or 665 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 46.

The spelling of 123903404677 in words is "one hundred twenty-three billion, nine hundred three million, four hundred four thousand, six hundred seventy-seven".