23415229 has 4 divisors (see below), whose sum is σ = 23438560. Its totient is φ = 23391900.

The previous prime is 23415221. The next prime is 23415247. The reversal of 23415229 is 92251432.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23415229 - 2³ = 23415221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23415197 and 23415206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23415221) 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, 10089 + ... + 12190.

It is an arithmetic number, because the mean of its divisors is an integer number (5859640).

Almost surely, 2^23415229 is an apocalyptic number.

It is an amenable number.

23415229 is a deficient number, since it is larger than the sum of its proper divisors (23331).

23415229 is a wasteful number, since it uses less digits than its factorization.

23415229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23330.

The product of its digits is 4320, while the sum is 28.

The square root of 23415229 is about 4838.9284970952. The cubic root of 23415229 is about 286.0878868243.

The spelling of 23415229 in words is "twenty-three million, four hundred fifteen thousand, two hundred twenty-nine".