420141123 has 12 divisors (see below), whose sum is σ = 618321600. Its totient is φ = 274808976.

The previous prime is 420141097. The next prime is 420141133. The reversal of 420141123 is 321141024.

It is not a de Polignac number, because 420141123 - 2¹² = 420137027 is a prime.

It is a super-2 number, since 2×420141123² = 353037126471402258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 420141096 and 420141105.

It is not an unprimeable number, because it can be changed into a prime (420141133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 439923 + ... + 440876.

It is an arithmetic number, because the mean of its divisors is an integer number (51526800).

Almost surely, 2^420141123 is an apocalyptic number.

420141123 is a deficient number, since it is larger than the sum of its proper divisors (198180477).

420141123 is a wasteful number, since it uses less digits than its factorization.

420141123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880858 (or 880855 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 420141123 is about 20497.3442913954. The cubic root of 420141123 is about 748.9711064830.

Adding to 420141123 its reverse (321141024), we get a palindrome (741282147).

Subtracting from 420141123 its reverse (321141024), we obtain a palindrome (99000099).

The spelling of 420141123 in words is "four hundred twenty million, one hundred forty-one thousand, one hundred twenty-three".