23240678 has 4 divisors (see below), whose sum is σ = 34861020. Its totient is φ = 11620338.

The previous prime is 23240677. The next prime is 23240729. The reversal of 23240678 is 87604232.

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

It is a super-2 number, since 2×23240678² = 1080258227799368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23240671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5810168 + ... + 5810171.

It is an arithmetic number, because the mean of its divisors is an integer number (8715255).

Almost surely, 2^23240678 is an apocalyptic number.

23240678 is a deficient number, since it is larger than the sum of its proper divisors (11620342).

23240678 is a wasteful number, since it uses less digits than its factorization.

23240678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11620341.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 23240678 is about 4820.8586372139. The cubic root of 23240678 is about 285.3752234307.

The spelling of 23240678 in words is "twenty-three million, two hundred forty thousand, six hundred seventy-eight".