30623426 has 8 divisors (see below), whose sum is σ = 48637260. Its totient is φ = 14411008.

The previous prime is 30623407. The next prime is 30623429. The reversal of 30623426 is 62432603.

It can be written as a sum of positive squares in 2 ways, for example, as 28079401 + 2544025 = 5299^2 + 1595^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 30623395 and 30623404.

It is not an unprimeable number, because it can be changed into a prime (30623429) 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, 450311 + ... + 450378.

Almost surely, 2^30623426 is an apocalyptic number.

30623426 is a deficient number, since it is larger than the sum of its proper divisors (18013834).

30623426 is a wasteful number, since it uses less digits than its factorization.

30623426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900708.

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 30623426 is about 5533.8436913234. The cubic root of 30623426 is about 312.8608771761.

It can be divided in two parts, 306 and 23426, that added together give a palindrome (23732).

The spelling of 30623426 in words is "thirty million, six hundred twenty-three thousand, four hundred twenty-six".