30732423 has 4 divisors (see below), whose sum is σ = 40976568. Its totient is φ = 20488280.

The previous prime is 30732409. The next prime is 30732437. The reversal of 30732423 is 32423703.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (30732409) and next prime (30732437).

It is a cyclic number.

It is not a de Polignac number, because 30732423 - 2⁵ = 30732391 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30732393 and 30732402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30732523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5122068 + ... + 5122073.

It is an arithmetic number, because the mean of its divisors is an integer number (10244142).

Almost surely, 2^30732423 is an apocalyptic number.

30732423 is a deficient number, since it is larger than the sum of its proper divisors (10244145).

30732423 is a wasteful number, since it uses less digits than its factorization.

30732423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10244144.

The product of its (nonzero) digits is 3024, while the sum is 24.

The square root of 30732423 is about 5543.6831619421. The cubic root of 30732423 is about 313.2316229657.

The spelling of 30732423 in words is "thirty million, seven hundred thirty-two thousand, four hundred twenty-three".