10123457687 has 16 divisors (see below), whose sum is σ = 12256453440. Its totient is φ = 8162677248.

The previous prime is 10123457657. The next prime is 10123457689. The reversal of 10123457687 is 78675432101.

It is a cyclic number.

It is not a de Polignac number, because 10123457687 - 2¹⁰ = 10123456663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10123457689) 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, 225653 + ... + 266769.

It is an arithmetic number, because the mean of its divisors is an integer number (766028340).

Almost surely, 2^10123457687 is an apocalyptic number.

10123457687 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

10123457687 is a deficient number, since it is larger than the sum of its proper divisors (2132995753).

10123457687 is a wasteful number, since it uses less digits than its factorization.

10123457687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43210.

The product of its (nonzero) digits is 282240, while the sum is 44.

Adding to 10123457687 its reverse (78675432101), we get a palindrome (88798889788).

The spelling of 10123457687 in words is "ten billion, one hundred twenty-three million, four hundred fifty-seven thousand, six hundred eighty-seven".