23354139 has 4 divisors (see below), whose sum is σ = 31138856. Its totient is φ = 15569424.

The previous prime is 23354099. The next prime is 23354161. The reversal of 23354139 is 93145332.

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

It is not a de Polignac number, because 23354139 - 2¹² = 23350043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23354189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3892354 + ... + 3892359.

It is an arithmetic number, because the mean of its divisors is an integer number (7784714).

Almost surely, 2^23354139 is an apocalyptic number.

23354139 is a deficient number, since it is larger than the sum of its proper divisors (7784717).

23354139 is an equidigital number, since it uses as much as digits as its factorization.

23354139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7784716.

The product of its digits is 9720, while the sum is 30.

The square root of 23354139 is about 4832.6120266374. The cubic root of 23354139 is about 285.8388703936.

The spelling of 23354139 in words is "twenty-three million, three hundred fifty-four thousand, one hundred thirty-nine".