23400153 has 48 divisors (see below), whose sum is σ = 41258880. Its totient is φ = 12483072.

The previous prime is 23400103. The next prime is 23400161. The reversal of 23400153 is 35100432.

It is not a de Polignac number, because 23400153 - 2⁶ = 23400089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23400103) 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 47 ways as a sum of consecutive naturals, for example, 135175 + ... + 135347.

It is an arithmetic number, because the mean of its divisors is an integer number (859560).

Almost surely, 2^23400153 is an apocalyptic number.

It is an amenable number.

23400153 is a deficient number, since it is larger than the sum of its proper divisors (17858727).

23400153 is a wasteful number, since it uses less digits than its factorization.

23400153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318 (or 315 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 23400153 is about 4837.3704633819. The cubic root of 23400153 is about 286.0264739866.

Adding to 23400153 its reverse (35100432), we get a palindrome (58500585).

The spelling of 23400153 in words is "twenty-three million, four hundred thousand, one hundred fifty-three".