23207280 has 40 divisors (see below), whose sum is σ = 71943312. Its totient is φ = 6188544.

The previous prime is 23207263. The next prime is 23207281. The reversal of 23207280 is 8270232.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 23207280.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23207281) 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, 48109 + ... + 48588.

Almost surely, 2^23207280 is an apocalyptic number.

23207280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23207280 is an abundant number, since it is smaller than the sum of its proper divisors (48736032).

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

23207280 is a wasteful number, since it uses less digits than its factorization.

23207280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96713 (or 96707 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 23207280 is about 4817.3934861084. The cubic root of 23207280 is about 285.2384584756.

The spelling of 23207280 in words is "twenty-three million, two hundred seven thousand, two hundred eighty".