23151323 has 8 divisors (see below), whose sum is σ = 25074000. Its totient is φ = 21248928.

The previous prime is 23151319. The next prime is 23151343. The reversal of 23151323 is 32315132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23151323 - 2² = 23151319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23151295 and 23151304.

It is not an unprimeable number, because it can be changed into a prime (23151343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2648 + ... + 7301.

It is an arithmetic number, because the mean of its divisors is an integer number (3134250).

Almost surely, 2^23151323 is an apocalyptic number.

23151323 is a deficient number, since it is larger than the sum of its proper divisors (1922677).

23151323 is a wasteful number, since it uses less digits than its factorization.

23151323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10141.

The product of its digits is 540, while the sum is 20.

The square root of 23151323 is about 4811.5821722174. The cubic root of 23151323 is about 285.0090199259.

Adding to 23151323 its reverse (32315132), we get a palindrome (55466455).

The spelling of 23151323 in words is "twenty-three million, one hundred fifty-one thousand, three hundred twenty-three".