1223242524 has 36 divisors (see below), whose sum is σ = 3533812464. Its totient is φ = 349497792.

The previous prime is 1223242519. The next prime is 1223242529. The reversal of 1223242524 is 4252423221.

1223242524 is a `hidden beast` number, since 1 + 2 + 232 + 425 + 2 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (1223242519) and next prime (1223242529).

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223242529) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2426817 + ... + 2427320.

Almost surely, 2^1223242524 is an apocalyptic number.

1223242524 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1223242524 is an abundant number, since it is smaller than the sum of its proper divisors (2310569940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1223242524 is a wasteful number, since it uses less digits than its factorization.

1223242524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4854154 (or 4854149 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 1223242524 is about 34974.8841885145. The cubic root of 1223242524 is about 1069.4755411567.

Adding to 1223242524 its reverse (4252423221), we get a palindrome (5475665745).

It can be divided in two parts, 12232 and 42524, that added together give a square (54756 = 234²).

The spelling of 1223242524 in words is "one billion, two hundred twenty-three million, two hundred forty-two thousand, five hundred twenty-four".