123071700677 has 8 divisors (see below), whose sum is σ = 126221285400. Its totient is φ = 119929155840.

The previous prime is 123071700671. The next prime is 123071700701. The reversal of 123071700677 is 776007170321.

It can be written as a sum of positive squares in 4 ways, for example, as 9638134276 + 113433566401 = 98174^2 + 336799^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123071700677 - 2³² = 118776733381 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123071700671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1724552 + ... + 1794497.

It is an arithmetic number, because the mean of its divisors is an integer number (15777660675).

Almost surely, 2^123071700677 is an apocalyptic number.

It is an amenable number.

123071700677 is a deficient number, since it is larger than the sum of its proper divisors (3149584723).

123071700677 is an equidigital number, since it uses as much as digits as its factorization.

123071700677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3519943.

The product of its (nonzero) digits is 86436, while the sum is 41.

Adding to 123071700677 its reverse (776007170321), we get a palindrome (899078870998).

The spelling of 123071700677 in words is "one hundred twenty-three billion, seventy-one million, seven hundred thousand, six hundred seventy-seven".