421360123 has 24 divisors (see below), whose sum is σ = 453386160. Its totient is φ = 391235520.

The previous prime is 421360103. The next prime is 421360127. The reversal of 421360123 is 321063124.

It is not a de Polignac number, because 421360123 - 2¹⁷ = 421229051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 421360094 and 421360103.

It is not an unprimeable number, because it can be changed into a prime (421360127) 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, 6907513 + ... + 6907573.

It is an arithmetic number, because the mean of its divisors is an integer number (18891090).

Almost surely, 2^421360123 is an apocalyptic number.

421360123 is a deficient number, since it is larger than the sum of its proper divisors (32026037).

421360123 is an equidigital number, since it uses as much as digits as its factorization.

421360123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267 (or 220 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 421360123 is about 20527.0583133580. The cubic root of 421360123 is about 749.6947634948.

The spelling of 421360123 in words is "four hundred twenty-one million, three hundred sixty thousand, one hundred twenty-three".