1223852400 has 90 divisors (see below), whose sum is σ = 4247120280. Its totient is φ = 326359680.

The previous prime is 1223852393. The next prime is 1223852429. The reversal of 1223852400 is 42583221.

It is a tau number, because it is divible by the number of its divisors (90).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 166380 + ... + 173579.

Almost surely, 2^1223852400 is an apocalyptic number.

1223852400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1223852400 is an abundant number, since it is smaller than the sum of its proper divisors (3023267880).

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

1223852400 is a wasteful number, since it uses less digits than its factorization.

1223852400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339983 (or 339969 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 1223852400 is about 34983.6018728775. The cubic root of 1223852400 is about 1069.6532489251.

The spelling of 1223852400 in words is "one billion, two hundred twenty-three million, eight hundred fifty-two thousand, four hundred".