23453970 has 16 divisors (see below), whose sum is σ = 56289600. Its totient is φ = 6254384.

The previous prime is 23453957. The next prime is 23453971. The reversal of 23453970 is 7935432.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (23453971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 390870 + ... + 390929.

It is an arithmetic number, because the mean of its divisors is an integer number (3518100).

Almost surely, 2^23453970 is an apocalyptic number.

23453970 is an abundant number, since it is smaller than the sum of its proper divisors (32835630).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23453970 is a wasteful number, since it uses less digits than its factorization.

23453970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781809.

The product of its (nonzero) digits is 22680, while the sum is 33.

The square root of 23453970 is about 4842.9298983157. The cubic root of 23453970 is about 286.2455794084.

The spelling of 23453970 in words is "twenty-three million, four hundred fifty-three thousand, nine hundred seventy".