23032447 has 4 divisors (see below), whose sum is σ = 23594256. Its totient is φ = 22470640.

The previous prime is 23032423. The next prime is 23032469. The reversal of 23032447 is 74423032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23032447 - 2¹⁵ = 22999679 is a prime.

It is a super-2 number, since 2×23032447² = 1060987229615618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23032487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280843 + ... + 280924.

It is an arithmetic number, because the mean of its divisors is an integer number (5898564).

Almost surely, 2^23032447 is an apocalyptic number.

23032447 is a deficient number, since it is larger than the sum of its proper divisors (561809).

23032447 is an equidigital number, since it uses as much as digits as its factorization.

23032447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561808.

The product of its (nonzero) digits is 4032, while the sum is 25.

The square root of 23032447 is about 4799.2131646761. The cubic root of 23032447 is about 284.5203669618.

Adding to 23032447 its reverse (74423032), we get a palindrome (97455479).

The spelling of 23032447 in words is "twenty-three million, thirty-two thousand, four hundred forty-seven".