30423569 has 4 divisors (see below), whose sum is σ = 33189360. Its totient is φ = 27657780.

The previous prime is 30423563. The next prime is 30423619. The reversal of 30423569 is 96532403.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30423569 - 2¹⁶ = 30358033 is a prime.

It is a super-2 number, since 2×30423569² = 1851187101395522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30423563) 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, 1382879 + ... + 1382900.

It is an arithmetic number, because the mean of its divisors is an integer number (8297340).

Almost surely, 2^30423569 is an apocalyptic number.

It is an amenable number.

30423569 is a deficient number, since it is larger than the sum of its proper divisors (2765791).

30423569 is a wasteful number, since it uses less digits than its factorization.

30423569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2765790.

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 30423569 is about 5515.7564304454. The cubic root of 30423569 is about 312.1787854610.

The spelling of 30423569 in words is "thirty million, four hundred twenty-three thousand, five hundred sixty-nine".