23454398 has 24 divisors (see below), whose sum is σ = 40713960. Its totient is φ = 10098000.

The previous prime is 23454391. The next prime is 23454401. The reversal of 23454398 is 89345432.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23454391) 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, 2048 + ... + 7148.

It is an arithmetic number, because the mean of its divisors is an integer number (1696415).

Almost surely, 2^23454398 is an apocalyptic number.

23454398 is a deficient number, since it is larger than the sum of its proper divisors (17259562).

23454398 is a wasteful number, since it uses less digits than its factorization.

23454398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5144 (or 5133 counting only the distinct ones).

The product of its digits is 103680, while the sum is 38.

The square root of 23454398 is about 4842.9740862408. The cubic root of 23454398 is about 286.2473205828.

The spelling of 23454398 in words is "twenty-three million, four hundred fifty-four thousand, three hundred ninety-eight".