10123041243 has 16 divisors (see below), whose sum is σ = 15434752256. Its totient is φ = 5781157920.

The previous prime is 10123041239. The next prime is 10123041251. The reversal of 10123041243 is 34214032101.

It is not a de Polignac number, because 10123041243 - 2² = 10123041239 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (10123041043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106813 + ... + 177918.

It is an arithmetic number, because the mean of its divisors is an integer number (964672016).

Almost surely, 2^10123041243 is an apocalyptic number.

10123041243 is a deficient number, since it is larger than the sum of its proper divisors (5311711013).

10123041243 is a wasteful number, since it uses less digits than its factorization.

10123041243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286434.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 10123041243 its reverse (34214032101), we get a palindrome (44337073344).

The spelling of 10123041243 in words is "ten billion, one hundred twenty-three million, forty-one thousand, two hundred forty-three".