23561002 has 4 divisors (see below), whose sum is σ = 35341506. Its totient is φ = 11780500.

The previous prime is 23560973. The next prime is 23561017. The reversal of 23561002 is 20016532.

It is a happy number.

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., 17901361 + 5659641 = 4231^2 + 2379^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5890249 + ... + 5890252.

Almost surely, 2^23561002 is an apocalyptic number.

23561002 is a deficient number, since it is larger than the sum of its proper divisors (11780504).

23561002 is a wasteful number, since it uses less digits than its factorization.

23561002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11780503.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 23561002 is about 4853.9676554341. The cubic root of 23561002 is about 286.6803451799.

Adding to 23561002 its reverse (20016532), we get a palindrome (43577534).

The spelling of 23561002 in words is "twenty-three million, five hundred sixty-one thousand, two".