23649242 has 4 divisors (see below), whose sum is σ = 35473866. Its totient is φ = 11824620.

The previous prime is 23649233. The next prime is 23649271. The reversal of 23649242 is 24294632.

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., 17884441 + 5764801 = 4229^2 + 2401^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23649199 and 23649208.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5912309 + ... + 5912312.

Almost surely, 2^23649242 is an apocalyptic number.

23649242 is a deficient number, since it is larger than the sum of its proper divisors (11824624).

23649242 is a wasteful number, since it uses less digits than its factorization.

23649242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11824623.

The product of its digits is 20736, while the sum is 32.

The square root of 23649242 is about 4863.0486322882. The cubic root of 23649242 is about 287.0377883689.

The spelling of 23649242 in words is "twenty-three million, six hundred forty-nine thousand, two hundred forty-two".