23361436 has 18 divisors (see below), whose sum is σ = 47557608. Its totient is φ = 10011960.

The previous prime is 23361421. The next prime is 23361439. The reversal of 23361436 is 63416332.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23361439) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59400 + ... + 59791.

Almost surely, 2^23361436 is an apocalyptic number.

It is an amenable number.

23361436 is an abundant number, since it is smaller than the sum of its proper divisors (24196172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23361436 is a wasteful number, since it uses less digits than its factorization.

23361436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119209 (or 119200 counting only the distinct ones).

The product of its digits is 7776, while the sum is 28.

The square root of 23361436 is about 4833.3669424119. The cubic root of 23361436 is about 285.8686374089.

Adding to 23361436 its reverse (63416332), we get a palindrome (86777768).

The spelling of 23361436 in words is "twenty-three million, three hundred sixty-one thousand, four hundred thirty-six".