1223400201 has 8 divisors (see below), whose sum is σ = 1657941504. Its totient is φ = 802229520.

The previous prime is 1223400193. The next prime is 1223400209. The reversal of 1223400201 is 1020043221.

It is an interprime number because it is at equal distance from previous prime (1223400193) and next prime (1223400209).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1223400201 - 2³ = 1223400193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1223400209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3342441 + ... + 3342806.

It is an arithmetic number, because the mean of its divisors is an integer number (207242688).

Almost surely, 2^1223400201 is an apocalyptic number.

It is an amenable number.

1223400201 is a deficient number, since it is larger than the sum of its proper divisors (434541303).

1223400201 is an equidigital number, since it uses as much as digits as its factorization.

1223400201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6685311.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1223400201 is about 34977.1382620134. The cubic root of 1223400201 is about 1069.5214912842.

Adding to 1223400201 its reverse (1020043221), we get a palindrome (2243443422).

The spelling of 1223400201 in words is "one billion, two hundred twenty-three million, four hundred thousand, two hundred one".