123524451401 has 4 divisors (see below), whose sum is σ = 133026332292. Its totient is φ = 114022570512.

The previous prime is 123524451373. The next prime is 123524451403. The reversal of 123524451401 is 104154425321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 49472435776 + 74052015625 = 222424^2 + 272125^2 .

It is a cyclic number.

It is not a de Polignac number, because 123524451401 - 2¹⁴ = 123524435017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123524451403) 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, 4750940426 + ... + 4750940451.

It is an arithmetic number, because the mean of its divisors is an integer number (33256583073).

Almost surely, 2^123524451401 is an apocalyptic number.

It is an amenable number.

123524451401 is a deficient number, since it is larger than the sum of its proper divisors (9501880891).

123524451401 is an equidigital number, since it uses as much as digits as its factorization.

123524451401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9501880890.

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 123524451401 its reverse (104154425321), we get a palindrome (227678876722).

The spelling of 123524451401 in words is "one hundred twenty-three billion, five hundred twenty-four million, four hundred fifty-one thousand, four hundred one".