23734149 has 4 divisors (see below), whose sum is σ = 31645536. Its totient is φ = 15822764.

The previous prime is 23734129. The next prime is 23734163. The reversal of 23734149 is 94143732.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23734149 - 2¹² = 23730053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23734129) 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, 3955689 + ... + 3955694.

It is an arithmetic number, because the mean of its divisors is an integer number (7911384).

Almost surely, 2^23734149 is an apocalyptic number.

It is an amenable number.

23734149 is a deficient number, since it is larger than the sum of its proper divisors (7911387).

23734149 is an equidigital number, since it uses as much as digits as its factorization.

23734149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7911386.

The product of its digits is 18144, while the sum is 33.

The square root of 23734149 is about 4871.7706226792. The cubic root of 23734149 is about 287.3808918084.

The spelling of 23734149 in words is "twenty-three million, seven hundred thirty-four thousand, one hundred forty-nine".