23387738 has 8 divisors (see below), whose sum is σ = 38270880. Its totient is φ = 10630780.

The previous prime is 23387731. The next prime is 23387747. The reversal of 23387738 is 83778332.

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 = 23387695 and 23387704.

It is not an unprimeable number, because it can be changed into a prime (23387731) 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, 531518 + ... + 531561.

It is an arithmetic number, because the mean of its divisors is an integer number (4783860).

Almost surely, 2^23387738 is an apocalyptic number.

23387738 is a deficient number, since it is larger than the sum of its proper divisors (14883142).

23387738 is a wasteful number, since it uses less digits than its factorization.

23387738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063092.

The product of its digits is 169344, while the sum is 41.

The square root of 23387738 is about 4836.0870546341. The cubic root of 23387738 is about 285.9758810573.

The spelling of 23387738 in words is "twenty-three million, three hundred eighty-seven thousand, seven hundred thirty-eight".