23758738 has 4 divisors (see below), whose sum is σ = 35638110. Its totient is φ = 11879368.

The previous prime is 23758733. The next prime is 23758753. The reversal of 23758738 is 83785732.

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

It can be written as a sum of positive squares in only one way, i.e., 22024249 + 1734489 = 4693^2 + 1317^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23758694 and 23758703.

It is not an unprimeable number, because it can be changed into a prime (23758733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5939683 + ... + 5939686.

Almost surely, 2^23758738 is an apocalyptic number.

23758738 is a deficient number, since it is larger than the sum of its proper divisors (11879372).

23758738 is a wasteful number, since it uses less digits than its factorization.

23758738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11879371.

The product of its digits is 282240, while the sum is 43.

The square root of 23758738 is about 4874.2935898446. The cubic root of 23758738 is about 287.4801014583.

The spelling of 23758738 in words is "twenty-three million, seven hundred fifty-eight thousand, seven hundred thirty-eight".