123324021401 has 32 divisors (see below), whose sum is σ = 145168402176. Its totient is φ = 102566016000.

The previous prime is 123324021367. The next prime is 123324021407. The reversal of 123324021401 is 104120423321.

It is not a de Polignac number, because 123324021401 - 2¹⁸ = 123323759257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123324021407) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55725971 + ... + 55728183.

It is an arithmetic number, because the mean of its divisors is an integer number (4536512568).

Almost surely, 2^123324021401 is an apocalyptic number.

It is an amenable number.

123324021401 is a deficient number, since it is larger than the sum of its proper divisors (21844380775).

123324021401 is a wasteful number, since it uses less digits than its factorization.

123324021401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3233.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 123324021401 its reverse (104120423321), we get a palindrome (227444444722).

The spelling of 123324021401 in words is "one hundred twenty-three billion, three hundred twenty-four million, twenty-one thousand, four hundred one".