23306153 has 12 divisors (see below), whose sum is σ = 26245380. Its totient is φ = 20571936.

The previous prime is 23306149. The next prime is 23306177. The reversal of 23306153 is 35160332.

It can be written as a sum of positive squares in 2 ways, for example, as 14227984 + 9078169 = 3772^2 + 3013^2 .

It is not a de Polignac number, because 23306153 - 2² = 23306149 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23306123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5183 + ... + 8571.

It is an arithmetic number, because the mean of its divisors is an integer number (2187115).

Almost surely, 2^23306153 is an apocalyptic number.

23306153 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

23306153 is a deficient number, since it is larger than the sum of its proper divisors (2939227).

23306153 is a wasteful number, since it uses less digits than its factorization.

23306153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3448 (or 3425 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 23306153 is about 4827.6446638086. The cubic root of 23306153 is about 285.6429640906.

Adding to 23306153 its reverse (35160332), we get a palindrome (58466485).

The spelling of 23306153 in words is "twenty-three million, three hundred six thousand, one hundred fifty-three".