30626423 has 4 divisors (see below), whose sum is σ = 32238360. Its totient is φ = 29014488.

The previous prime is 30626381. The next prime is 30626443. The reversal of 30626423 is 32462603.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30626423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30626392 and 30626401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30626443) 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, 805940 + ... + 805977.

It is an arithmetic number, because the mean of its divisors is an integer number (8059590).

Almost surely, 2^30626423 is an apocalyptic number.

30626423 is a deficient number, since it is larger than the sum of its proper divisors (1611937).

30626423 is a wasteful number, since it uses less digits than its factorization.

30626423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1611936.

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

The square root of 30626423 is about 5534.1144729758. The cubic root of 30626423 is about 312.8710830172.

The spelling of 30626423 in words is "thirty million, six hundred twenty-six thousand, four hundred twenty-three".