23217934 has 4 divisors (see below), whose sum is σ = 34826904. Its totient is φ = 11608966.

The previous prime is 23217913. The next prime is 23217941. The reversal of 23217934 is 43971232.

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

It is a super-5 number, since 5×23217934⁵ (a number of 38 digits) contains 55555 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23217896 and 23217905.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5804482 + ... + 5804485.

It is an arithmetic number, because the mean of its divisors is an integer number (8706726).

Almost surely, 2^23217934 is an apocalyptic number.

23217934 is a deficient number, since it is larger than the sum of its proper divisors (11608970).

23217934 is a wasteful number, since it uses less digits than its factorization.

23217934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11608969.

The product of its digits is 9072, while the sum is 31.

The square root of 23217934 is about 4818.4991439244. The cubic root of 23217934 is about 285.2821008961.

The spelling of 23217934 in words is "twenty-three million, two hundred seventeen thousand, nine hundred thirty-four".