123342401 has 16 divisors (see below), whose sum is σ = 152073600. Its totient is φ = 97417728.

The previous prime is 123342383. The next prime is 123342409. The reversal of 123342401 is 104243321.

It is a cyclic number.

It is not a de Polignac number, because 123342401 - 2²⁶ = 56233537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123342409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83810 + ... + 85268.

It is an arithmetic number, because the mean of its divisors is an integer number (9504600).

Almost surely, 2^123342401 is an apocalyptic number.

It is an amenable number.

123342401 is a deficient number, since it is larger than the sum of its proper divisors (28731199).

123342401 is a wasteful number, since it uses less digits than its factorization.

123342401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2408.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 123342401 is about 11105.9624076439. The cubic root of 123342401 is about 497.7800260186.

Adding to 123342401 its reverse (104243321), we get a palindrome (227585722).

It can be divided in two parts, 1233 and 42401, that added together give a palindrome (43634).

The spelling of 123342401 in words is "one hundred twenty-three million, three hundred forty-two thousand, four hundred one".