123370430687 has 16 divisors (see below), whose sum is σ = 147864345600. Its totient is φ = 100640117952.

The previous prime is 123370430671. The next prime is 123370430723. The reversal of 123370430687 is 786034073321.

It is a cyclic number.

It is not a de Polignac number, because 123370430687 - 2⁴ = 123370430671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123370430987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1893278 + ... + 1957355.

It is an arithmetic number, because the mean of its divisors is an integer number (9241521600).

Almost surely, 2^123370430687 is an apocalyptic number.

123370430687 is a deficient number, since it is larger than the sum of its proper divisors (24493914913).

123370430687 is a wasteful number, since it uses less digits than its factorization.

123370430687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3850862.

The product of its (nonzero) digits is 508032, while the sum is 44.

The spelling of 123370430687 in words is "one hundred twenty-three billion, three hundred seventy million, four hundred thirty thousand, six hundred eighty-seven".