23134436 has 12 divisors (see below), whose sum is σ = 43599612. Its totient is φ = 10677408.

The previous prime is 23134429. The next prime is 23134451. The reversal of 23134436 is 63443132.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 15952036 + 7182400 = 3994^2 + 2680^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222395 + ... + 222498.

It is an arithmetic number, because the mean of its divisors is an integer number (3633301).

Almost surely, 2^23134436 is an apocalyptic number.

23134436 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

23134436 is a deficient number, since it is larger than the sum of its proper divisors (20465176).

23134436 is a wasteful number, since it uses less digits than its factorization.

23134436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444910 (or 444908 counting only the distinct ones).

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

The square root of 23134436 is about 4809.8270239168. The cubic root of 23134436 is about 284.9397061331.

Adding to 23134436 its reverse (63443132), we get a palindrome (86577568).

The spelling of 23134436 in words is "twenty-three million, one hundred thirty-four thousand, four hundred thirty-six".