23150438 has 4 divisors (see below), whose sum is σ = 34725660. Its totient is φ = 11575218.

The previous prime is 23150437. The next prime is 23150467. The reversal of 23150438 is 83405132.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23150431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5787608 + ... + 5787611.

It is an arithmetic number, because the mean of its divisors is an integer number (8681415).

Almost surely, 2^23150438 is an apocalyptic number.

23150438 is a deficient number, since it is larger than the sum of its proper divisors (11575222).

23150438 is a wasteful number, since it uses less digits than its factorization.

23150438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11575221.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 23150438 is about 4811.4902057471. The cubic root of 23150438 is about 285.0053882227.

The spelling of 23150438 in words is "twenty-three million, one hundred fifty thousand, four hundred thirty-eight".