123533024401 has 4 divisors (see below), whose sum is σ = 127517960704. Its totient is φ = 119548088100.

The previous prime is 123533024399. The next prime is 123533024411. The reversal of 123533024401 is 104420335321.

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 cyclic number.

It is not a de Polignac number, because 123533024401 - 2¹ = 123533024399 is a prime.

It is a super-2 number, since 2×123533024401² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123533024401.

It is not an unprimeable number, because it can be changed into a prime (123533024411) 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, 1992468105 + ... + 1992468166.

It is an arithmetic number, because the mean of its divisors is an integer number (31879490176).

Almost surely, 2^123533024401 is an apocalyptic number.

It is an amenable number.

123533024401 is a deficient number, since it is larger than the sum of its proper divisors (3984936303).

123533024401 is an equidigital number, since it uses as much as digits as its factorization.

123533024401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3984936302.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 123533024401 its reverse (104420335321), we get a palindrome (227953359722).

The spelling of 123533024401 in words is "one hundred twenty-three billion, five hundred thirty-three million, twenty-four thousand, four hundred one".