23245245 has 32 divisors (see below), whose sum is σ = 41558400. Its totient is φ = 12327552.

The previous prime is 23245219. The next prime is 23245247. The reversal of 23245245 is 54254232.

It is a happy number.

It is not a de Polignac number, because 23245245 - 2⁸ = 23244989 is a prime.

It is a super-2 number, since 2×23245245² = 1080682830220050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23245247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31086 + ... + 31824.

It is an arithmetic number, because the mean of its divisors is an integer number (1298700).

Almost surely, 2^23245245 is an apocalyptic number.

It is an amenable number.

23245245 is a deficient number, since it is larger than the sum of its proper divisors (18313155).

23245245 is a wasteful number, since it uses less digits than its factorization.

23245245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 986 (or 980 counting only the distinct ones).

The product of its digits is 9600, while the sum is 27.

The square root of 23245245 is about 4821.3322847528. The cubic root of 23245245 is about 285.3939151299.

Adding to 23245245 its reverse (54254232), we get a palindrome (77499477).

It can be divided in two parts, 2324 and 5245, that added together give a square (7569 = 87²).

The spelling of 23245245 in words is "twenty-three million, two hundred forty-five thousand, two hundred forty-five".