1223924832 has 72 divisors (see below), whose sum is σ = 3748281264. Its totient is φ = 376591104.

The previous prime is 1223924831. The next prime is 1223924833. The reversal of 1223924832 is 2384293221.

It is an interprime number because it is at equal distance from previous prime (1223924831) and next prime (1223924833).

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223924831) 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, 159708 + ... + 167195.

It is an arithmetic number, because the mean of its divisors is an integer number (52059462).

Almost surely, 2^1223924832 is an apocalyptic number.

1223924832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1223924832 is an abundant number, since it is smaller than the sum of its proper divisors (2524356432).

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

1223924832 is a wasteful number, since it uses less digits than its factorization.

1223924832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326932 (or 326921 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 1223924832 is about 34984.6370854408. The cubic root of 1223924832 is about 1069.6743504882.

The spelling of 1223924832 in words is "one billion, two hundred twenty-three million, nine hundred twenty-four thousand, eight hundred thirty-two".