23242742 has 8 divisors (see below), whose sum is σ = 36380016. Its totient is φ = 11116072.

The previous prime is 23242741. The next prime is 23242759. The reversal of 23242742 is 24724232.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23242741) 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, 252593 + ... + 252684.

It is an arithmetic number, because the mean of its divisors is an integer number (4547502).

Almost surely, 2^23242742 is an apocalyptic number.

23242742 is a deficient number, since it is larger than the sum of its proper divisors (13137274).

23242742 is a wasteful number, since it uses less digits than its factorization.

23242742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505302.

The product of its digits is 5376, while the sum is 26.

The square root of 23242742 is about 4821.0727022106. The cubic root of 23242742 is about 285.3836712196.

Adding to 23242742 its reverse (24724232), we get a palindrome (47966974).

The spelling of 23242742 in words is "twenty-three million, two hundred forty-two thousand, seven hundred forty-two".