23563412 has 6 divisors (see below), whose sum is σ = 41235978. Its totient is φ = 11781704.

The previous prime is 23563349. The next prime is 23563469. The reversal of 23563412 is 21436532.

It can be written as a sum of positive squares in only one way, i.e., 18696976 + 4866436 = 4324^2 + 2206^2 .

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, 2945423 + ... + 2945430.

It is an arithmetic number, because the mean of its divisors is an integer number (6872663).

Almost surely, 2^23563412 is an apocalyptic number.

It is an amenable number.

23563412 is a deficient number, since it is larger than the sum of its proper divisors (17672566).

23563412 is a wasteful number, since it uses less digits than its factorization.

23563412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5890857 (or 5890855 counting only the distinct ones).

The product of its digits is 4320, while the sum is 26.

The square root of 23563412 is about 4854.2158996073. The cubic root of 23563412 is about 286.6901194682.

Adding to 23563412 its reverse (21436532), we get a palindrome (44999944).

The spelling of 23563412 in words is "twenty-three million, five hundred sixty-three thousand, four hundred twelve".