427030111123 has 24 divisors (see below), whose sum is σ = 542041668720. Its totient is φ = 332668869120.

The previous prime is 427030111103. The next prime is 427030111181. The reversal of 427030111123 is 321111030724.

It is not a de Polignac number, because 427030111123 - 2²⁵ = 426996556691 is a prime.

It is a super-2 number, since 2×427030111123² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (427030111103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2143083 + ... + 2333851.

It is an arithmetic number, because the mean of its divisors is an integer number (22585069530).

Almost surely, 2^427030111123 is an apocalyptic number.

427030111123 is a deficient number, since it is larger than the sum of its proper divisors (115011557597).

427030111123 is a wasteful number, since it uses less digits than its factorization.

427030111123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194947 (or 194940 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

Adding to 427030111123 its reverse (321111030724), we get a palindrome (748141141847).

The spelling of 427030111123 in words is "four hundred twenty-seven billion, thirty million, one hundred eleven thousand, one hundred twenty-three".