23434136 has 16 divisors (see below), whose sum is σ = 47933640. Its totient is φ = 10651840.

The previous prime is 23434129. The next prime is 23434139. The reversal of 23434136 is 63143432.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23434139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133061 + ... + 133236.

Almost surely, 2^23434136 is an apocalyptic number.

It is an amenable number.

23434136 is an abundant number, since it is smaller than the sum of its proper divisors (24499504).

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

23434136 is a wasteful number, since it uses less digits than its factorization.

23434136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266314 (or 266310 counting only the distinct ones).

The product of its digits is 5184, while the sum is 26.

The square root of 23434136 is about 4840.8817378655. The cubic root of 23434136 is about 286.1648681834.

Adding to 23434136 its reverse (63143432), we get a palindrome (86577568).

The spelling of 23434136 in words is "twenty-three million, four hundred thirty-four thousand, one hundred thirty-six".