23774542 has 8 divisors (see below), whose sum is σ = 38903832. Its totient is φ = 10806600.

The previous prime is 23774537. The next prime is 23774549. The reversal of 23774542 is 24547732.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 23774498 and 23774507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23774549) 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, 540309 + ... + 540352.

It is an arithmetic number, because the mean of its divisors is an integer number (4862979).

Almost surely, 2^23774542 is an apocalyptic number.

23774542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

23774542 is a deficient number, since it is larger than the sum of its proper divisors (15129290).

23774542 is a wasteful number, since it uses less digits than its factorization.

23774542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080674.

The product of its digits is 47040, while the sum is 34.

The square root of 23774542 is about 4875.9144783312. The cubic root of 23774542 is about 287.5438299907.

The spelling of 23774542 in words is "twenty-three million, seven hundred seventy-four thousand, five hundred forty-two".