23758642 has 12 divisors (see below), whose sum is σ = 35944398. Its totient is φ = 11778000.

The previous prime is 23758633. The next prime is 23758649. The reversal of 23758642 is 24685732.

It can be written as a sum of positive squares in only one way, i.e., 21911761 + 1846881 = 4681^2 + 1359^2 .

It is a super-3 number, since 3×23758642³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (23758649) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45342 + ... + 45862.

Almost surely, 2^23758642 is an apocalyptic number.

23758642 is a deficient number, since it is larger than the sum of its proper divisors (12185756).

23758642 is an equidigital number, since it uses as much as digits as its factorization.

23758642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825 (or 674 counting only the distinct ones).

The product of its digits is 80640, while the sum is 37.

The square root of 23758642 is about 4874.2837422538. The cubic root of 23758642 is about 287.4797142587.

The spelling of 23758642 in words is "twenty-three million, seven hundred fifty-eight thousand, six hundred forty-two".