10123537891 has 8 divisors (see below), whose sum is σ = 10161740160. Its totient is φ = 10085398848.

The previous prime is 10123537867. The next prime is 10123537933. The reversal of 10123537891 is 19873532101.

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 10123537891 - 2¹¹ = 10123535843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10123537811) 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, 318190 + ... + 348556.

It is an arithmetic number, because the mean of its divisors is an integer number (1270217520).

Almost surely, 2^10123537891 is an apocalyptic number.

10123537891 is a deficient number, since it is larger than the sum of its proper divisors (38202269).

10123537891 is an equidigital number, since it uses as much as digits as its factorization.

10123537891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31613.

The product of its (nonzero) digits is 45360, while the sum is 40.

The spelling of 10123537891 in words is "ten billion, one hundred twenty-three million, five hundred thirty-seven thousand, eight hundred ninety-one".