23533634 has 4 divisors (see below), whose sum is σ = 35300454. Its totient is φ = 11766816.

The previous prime is 23533633. The next prime is 23533649. The reversal of 23533634 is 43633532.

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., 23280625 + 253009 = 4825^2 + 503^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23533597 and 23533606.

It is not an unprimeable number, because it can be changed into a prime (23533633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5883407 + ... + 5883410.

Almost surely, 2^23533634 is an apocalyptic number.

23533634 is a deficient number, since it is larger than the sum of its proper divisors (11766820).

23533634 is a wasteful number, since it uses less digits than its factorization.

23533634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11766819.

The product of its digits is 19440, while the sum is 29.

The square root of 23533634 is about 4851.1476992563. The cubic root of 23533634 is about 286.5693014091.

The spelling of 23533634 in words is "twenty-three million, five hundred thirty-three thousand, six hundred thirty-four".