423541021452 has 24 divisors (see below), whose sum is σ = 1040276193600. Its totient is φ = 133749796176.

The previous prime is 423541021447. The next prime is 423541021457. The reversal of 423541021452 is 254120145324.

It is an interprime number because it is at equal distance from previous prime (423541021447) and next prime (423541021457).

It is not an unprimeable number, because it can be changed into a prime (423541021457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 928817802 + ... + 928818257.

It is an arithmetic number, because the mean of its divisors is an integer number (43344841400).

Almost surely, 2^423541021452 is an apocalyptic number.

It is an amenable number.

423541021452 is an abundant number, since it is smaller than the sum of its proper divisors (616735172148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423541021452 is a wasteful number, since it uses less digits than its factorization.

423541021452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1857636085 (or 1857636083 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 423541021452 its reverse (254120145324), we get a palindrome (677661166776).

The spelling of 423541021452 in words is "four hundred twenty-three billion, five hundred forty-one million, twenty-one thousand, four hundred fifty-two".