30423630 has 16 divisors (see below), whose sum is σ = 73016784. Its totient is φ = 8112960.

The previous prime is 30423619. The next prime is 30423683. The reversal of 30423630 is 3632403.

It is a junction number, because it is equal to n+sod(n) for n = 30423597 and 30423606.

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, 507031 + ... + 507090.

It is an arithmetic number, because the mean of its divisors is an integer number (4563549).

Almost surely, 2^30423630 is an apocalyptic number.

30423630 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30423630 is an abundant number, since it is smaller than the sum of its proper divisors (42593154).

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

30423630 is a wasteful number, since it uses less digits than its factorization.

30423630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014131.

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 30423630 is about 5515.7619600559. The cubic root of 30423630 is about 312.1789941029.

It can be divided in two parts, 30 and 423630, that added together give a triangular number (423660 = T₉₂₀).

The spelling of 30423630 in words is "thirty million, four hundred twenty-three thousand, six hundred thirty".