10513757123 has 4 divisors (see below), whose sum is σ = 10547563728. Its totient is φ = 10479950520.

The previous prime is 10513757099. The next prime is 10513757147. The reversal of 10513757123 is 32175731501.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (10513757099) and next prime (10513757147).

It is a cyclic number.

It is not a de Polignac number, because 10513757123 - 2¹⁴ = 10513740739 is a prime.

It is a super-2 number, since 2×10513757123² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10513757173) 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, 16902836 + ... + 16903457.

It is an arithmetic number, because the mean of its divisors is an integer number (2636890932).

Almost surely, 2^10513757123 is an apocalyptic number.

10513757123 is a deficient number, since it is larger than the sum of its proper divisors (33806605).

10513757123 is an equidigital number, since it uses as much as digits as its factorization.

10513757123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33806604.

The product of its (nonzero) digits is 22050, while the sum is 35.

The spelling of 10513757123 in words is "ten billion, five hundred thirteen million, seven hundred fifty-seven thousand, one hundred twenty-three".