23454530 has 16 divisors (see below), whose sum is σ = 46056384. Its totient is φ = 8528880.

The previous prime is 23454527. The next prime is 23454539. The reversal of 23454530 is 3545432.

It is a super-2 number, since 2×23454530² = 1100229955041800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23454530.

It is not an unprimeable number, because it can be changed into a prime (23454539) 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, 106502 + ... + 106721.

It is an arithmetic number, because the mean of its divisors is an integer number (2878524).

Almost surely, 2^23454530 is an apocalyptic number.

23454530 is a deficient number, since it is larger than the sum of its proper divisors (22601854).

23454530 is a wasteful number, since it uses less digits than its factorization.

23454530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213241.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 23454530 is about 4842.9877142111. The cubic root of 23454530 is about 286.2478575763.

Adding to 23454530 its reverse (3545432), we get a palindrome (26999962).

The spelling of 23454530 in words is "twenty-three million, four hundred fifty-four thousand, five hundred thirty".