423752530 has 16 divisors (see below), whose sum is σ = 780493824. Its totient is φ = 165558960.

The previous prime is 423752521. The next prime is 423752533. The reversal of 423752530 is 35257324.

It is a junction number, because it is equal to n+sod(n) for n = 423752492 and 423752501.

It is not an unprimeable number, because it can be changed into a prime (423752533) 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, 492306 + ... + 493165.

It is an arithmetic number, because the mean of its divisors is an integer number (48780864).

Almost surely, 2^423752530 is an apocalyptic number.

423752530 is a deficient number, since it is larger than the sum of its proper divisors (356741294).

423752530 is a wasteful number, since it uses less digits than its factorization.

423752530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985521.

The product of its (nonzero) digits is 25200, while the sum is 31.

The square root of 423752530 is about 20585.2503020974. The cubic root of 423752530 is about 751.1109639034.

The spelling of 423752530 in words is "four hundred twenty-three million, seven hundred fifty-two thousand, five hundred thirty".