23253730 has 16 divisors (see below), whose sum is σ = 41912640. Its totient is φ = 9289072.

The previous prime is 23253721. The next prime is 23253731. The reversal of 23253730 is 3735232.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23253695 and 23253704.

It is not an unprimeable number, because it can be changed into a prime (23253731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11667 + ... + 13513.

It is an arithmetic number, because the mean of its divisors is an integer number (2619540).

Almost surely, 2^23253730 is an apocalyptic number.

23253730 is a deficient number, since it is larger than the sum of its proper divisors (18658910).

23253730 is a wasteful number, since it uses less digits than its factorization.

23253730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3113.

The product of its (nonzero) digits is 3780, while the sum is 25.

The square root of 23253730 is about 4822.2121479669. The cubic root of 23253730 is about 285.4286358192.

Adding to 23253730 its reverse (3735232), we get a palindrome (26988962).

The spelling of 23253730 in words is "twenty-three million, two hundred fifty-three thousand, seven hundred thirty".