23454538 has 16 divisors (see below), whose sum is σ = 36518400. Its totient is φ = 11286000.

The previous prime is 23454527. The next prime is 23454539. The reversal of 23454538 is 83545432.

It is not an unprimeable number, because it can be changed into a prime (23454539) 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 7 ways as a sum of consecutive naturals, for example, 11388 + ... + 13288.

It is an arithmetic number, because the mean of its divisors is an integer number (2282400).

Almost surely, 2^23454538 is an apocalyptic number.

23454538 is a deficient number, since it is larger than the sum of its proper divisors (13063862).

23454538 is a wasteful number, since it uses less digits than its factorization.

23454538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2133.

The product of its digits is 57600, while the sum is 34.

The square root of 23454538 is about 4842.9885401475. The cubic root of 23454538 is about 286.2478901213.

The spelling of 23454538 in words is "twenty-three million, four hundred fifty-four thousand, five hundred thirty-eight".