23391854 has 4 divisors (see below), whose sum is σ = 35087784. Its totient is φ = 11695926.

The previous prime is 23391839. The next prime is 23391859. The reversal of 23391854 is 45819332.

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 (23391859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5847962 + ... + 5847965.

It is an arithmetic number, because the mean of its divisors is an integer number (8771946).

Almost surely, 2^23391854 is an apocalyptic number.

23391854 is a deficient number, since it is larger than the sum of its proper divisors (11695930).

23391854 is a wasteful number, since it uses less digits than its factorization.

23391854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11695929.

The product of its digits is 25920, while the sum is 35.

The square root of 23391854 is about 4836.5125865648. The cubic root of 23391854 is about 285.9926563391.

The spelling of 23391854 in words is "twenty-three million, three hundred ninety-one thousand, eight hundred fifty-four".