423251130452 has 24 divisors (see below), whose sum is σ = 755734685160. Its totient is φ = 207370137600.

The previous prime is 423251130439. The next prime is 423251130473. The reversal of 423251130452 is 254031152324.

It can be written as a sum of positive squares in 4 ways, for example, as 66108637456 + 357142492996 = 257116^2 + 597614^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5361077 + ... + 5439452.

It is an arithmetic number, because the mean of its divisors is an integer number (31488945215).

Almost surely, 2^423251130452 is an apocalyptic number.

It is an amenable number.

423251130452 is a deficient number, since it is larger than the sum of its proper divisors (332483554708).

423251130452 is a wasteful number, since it uses less digits than its factorization.

423251130452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10800731 (or 10800729 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 423251130452 its reverse (254031152324), we get a palindrome (677282282776).

The spelling of 423251130452 in words is "four hundred twenty-three billion, two hundred fifty-one million, one hundred thirty thousand, four hundred fifty-two".