10123457693 has 4 divisors (see below), whose sum is σ = 10200736128. Its totient is φ = 10046179260.

The previous prime is 10123457689. The next prime is 10123457737. The reversal of 10123457693 is 39675432101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10123457693 - 2² = 10123457689 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10123457693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10123957693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38639021 + ... + 38639282.

It is an arithmetic number, because the mean of its divisors is an integer number (2550184032).

Almost surely, 2^10123457693 is an apocalyptic number.

It is an amenable number.

10123457693 is a deficient number, since it is larger than the sum of its proper divisors (77278435).

10123457693 is an equidigital number, since it uses as much as digits as its factorization.

10123457693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77278434.

The product of its (nonzero) digits is 136080, while the sum is 41.

Adding to 10123457693 its reverse (39675432101), we get a palindrome (49798889794).

The spelling of 10123457693 in words is "ten billion, one hundred twenty-three million, four hundred fifty-seven thousand, six hundred ninety-three".