630423254 has 8 divisors (see below), whose sum is σ = 976139328. Its totient is φ = 305043480.

The previous prime is 630423253. The next prime is 630423259. The reversal of 630423254 is 452324036.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630423251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5083997 + ... + 5084120.

It is an arithmetic number, because the mean of its divisors is an integer number (122017416).

Almost surely, 2^630423254 is an apocalyptic number.

630423254 is a deficient number, since it is larger than the sum of its proper divisors (345716074).

630423254 is a wasteful number, since it uses less digits than its factorization.

630423254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10168150.

The product of its (nonzero) digits is 17280, while the sum is 29.

The square root of 630423254 is about 25108.2308018705. The cubic root of 630423254 is about 857.4538238387.

The spelling of 630423254 in words is "six hundred thirty million, four hundred twenty-three thousand, two hundred fifty-four".