23229455 has 4 divisors (see below), whose sum is σ = 27875352. Its totient is φ = 18583560.

The previous prime is 23229407. The next prime is 23229499. The reversal of 23229455 is 55492232.

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

It is not a de Polignac number, because 23229455 - 2⁶ = 23229391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2322941 + ... + 2322950.

It is an arithmetic number, because the mean of its divisors is an integer number (6968838).

Almost surely, 2^23229455 is an apocalyptic number.

23229455 is a deficient number, since it is larger than the sum of its proper divisors (4645897).

23229455 is an equidigital number, since it uses as much as digits as its factorization.

23229455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4645896.

The product of its digits is 21600, while the sum is 32.

The square root of 23229455 is about 4819.6944923926. The cubic root of 23229455 is about 285.3292798225.

The spelling of 23229455 in words is "twenty-three million, two hundred twenty-nine thousand, four hundred fifty-five".