23272523 has 4 divisors (see below), whose sum is σ = 23311848. Its totient is φ = 23233200.

The previous prime is 23272493. The next prime is 23272547. The reversal of 23272523 is 32527232.

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 23272523 - 2¹⁴ = 23256139 is a prime.

It is a super-2 number, since 2×23272523² = 1083220653571058, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23272492 and 23272501.

It is not an unprimeable number, because it can be changed into a prime (23272553) 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, 18761 + ... + 19962.

It is an arithmetic number, because the mean of its divisors is an integer number (5827962).

Almost surely, 2^23272523 is an apocalyptic number.

23272523 is a deficient number, since it is larger than the sum of its proper divisors (39325).

23272523 is an equidigital number, since it uses as much as digits as its factorization.

23272523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39324.

The product of its digits is 5040, while the sum is 26.

The square root of 23272523 is about 4824.1603414480. The cubic root of 23272523 is about 285.5055068699.

Adding to 23272523 its reverse (32527232), we get a palindrome (55799755).

The spelling of 23272523 in words is "twenty-three million, two hundred seventy-two thousand, five hundred twenty-three".