1223475952 has 20 divisors (see below), whose sum is σ = 2386398600. Its totient is φ = 607631168.

The previous prime is 1223475931. The next prime is 1223475971. The reversal of 1223475952 is 2595743221.

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, 254218 + ... + 258985.

It is an arithmetic number, because the mean of its divisors is an integer number (119319930).

Almost surely, 2^1223475952 is an apocalyptic number.

It is an amenable number.

1223475952 is a deficient number, since it is larger than the sum of its proper divisors (1162922648).

1223475952 is a wasteful number, since it uses less digits than its factorization.

1223475952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513360 (or 513354 counting only the distinct ones).

The product of its digits is 151200, while the sum is 40.

The square root of 1223475952 is about 34978.2211097134. The cubic root of 1223475952 is about 1069.5435651868.

The spelling of 1223475952 in words is "one billion, two hundred twenty-three million, four hundred seventy-five thousand, nine hundred fifty-two".