23134156 has 6 divisors (see below), whose sum is σ = 40484780. Its totient is φ = 11567076.

The previous prime is 23134147. The next prime is 23134157. The reversal of 23134156 is 65143132.

It is a self number, because there is not a number n which added to its sum of digits gives 23134156.

It is not an unprimeable number, because it can be changed into a prime (23134157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2891766 + ... + 2891773.

Almost surely, 2^23134156 is an apocalyptic number.

It is an amenable number.

23134156 is a deficient number, since it is larger than the sum of its proper divisors (17350624).

23134156 is a wasteful number, since it uses less digits than its factorization.

23134156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5783543 (or 5783541 counting only the distinct ones).

The product of its digits is 2160, while the sum is 25.

The square root of 23134156 is about 4809.7979167528. The cubic root of 23134156 is about 284.9385565707.

Adding to 23134156 its reverse (65143132), we get a palindrome (88277288).

The spelling of 23134156 in words is "twenty-three million, one hundred thirty-four thousand, one hundred fifty-six".