123322001 has 4 divisors (see below), whose sum is σ = 134533104. Its totient is φ = 112110900.

The previous prime is 123321983. The next prime is 123322033. The reversal of 123322001 is 100223321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-123322001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (123322601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5605535 + ... + 5605556.

It is an arithmetic number, because the mean of its divisors is an integer number (33633276).

Almost surely, 2^123322001 is an apocalyptic number.

123322001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

123322001 is a deficient number, since it is larger than the sum of its proper divisors (11211103).

123322001 is a wasteful number, since it uses less digits than its factorization.

123322001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11211102.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 123322001 is about 11105.0439440823. The cubic root of 123322001 is about 497.7525813541.

Adding to 123322001 its reverse (100223321), we get a palindrome (223545322).

The spelling of 123322001 in words is "one hundred twenty-three million, three hundred twenty-two thousand, one".