23785534 has 4 divisors (see below), whose sum is σ = 35678304. Its totient is φ = 11892766.

The previous prime is 23785507. The next prime is 23785577. The reversal of 23785534 is 43558732.

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

It is a junction number, because it is equal to n+sod(n) for n = 23785493 and 23785502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5946382 + ... + 5946385.

It is an arithmetic number, because the mean of its divisors is an integer number (8919576).

Almost surely, 2^23785534 is an apocalyptic number.

23785534 is a deficient number, since it is larger than the sum of its proper divisors (11892770).

23785534 is a wasteful number, since it uses less digits than its factorization.

23785534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11892769.

The product of its digits is 100800, while the sum is 37.

The square root of 23785534 is about 4877.0415212504. The cubic root of 23785534 is about 287.5881378165.

The spelling of 23785534 in words is "twenty-three million, seven hundred eighty-five thousand, five hundred thirty-four".