10452421123 has 16 divisors (see below), whose sum is σ = 10902507616. Its totient is φ = 10013310720.

The previous prime is 10452421121. The next prime is 10452421127. The reversal of 10452421123 is 32112425401.

It is not a de Polignac number, because 10452421123 - 2¹ = 10452421121 is a prime.

It is a super-2 number, since 2×10452421123² (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 (10452421121) 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, 558961 + ... + 577357.

It is an arithmetic number, because the mean of its divisors is an integer number (681406726).

Almost surely, 2^10452421123 is an apocalyptic number.

10452421123 is a deficient number, since it is larger than the sum of its proper divisors (450086493).

10452421123 is a wasteful number, since it uses less digits than its factorization.

10452421123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18694.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 10452421123 its reverse (32112425401), we get a palindrome (42564846524).

The spelling of 10452421123 in words is "ten billion, four hundred fifty-two million, four hundred twenty-one thousand, one hundred twenty-three".