23345155 has 8 divisors (see below), whose sum is σ = 28409184. Its totient is φ = 18412800.

The previous prime is 23345149. The next prime is 23345159. The reversal of 23345155 is 55154332.

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

It is not a de Polignac number, because 23345155 - 2¹⁷ = 23214083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23345159) 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, 32526 + ... + 33235.

It is an arithmetic number, because the mean of its divisors is an integer number (3551148).

Almost surely, 2^23345155 is an apocalyptic number.

23345155 is a deficient number, since it is larger than the sum of its proper divisors (5064029).

23345155 is an equidigital number, since it uses as much as digits as its factorization.

23345155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65837.

The product of its digits is 9000, while the sum is 28.

The square root of 23345155 is about 4831.6824191993. The cubic root of 23345155 is about 285.8022129975.

Adding to 23345155 its reverse (55154332), we get a palindrome (78499487).

The spelling of 23345155 in words is "twenty-three million, three hundred forty-five thousand, one hundred fifty-five".