20123130413401 has 4 divisors (see below), whose sum is σ = 20123194702500. Its totient is φ = 20123066124304.

The previous prime is 20123130413357. The next prime is 20123130413411. The reversal of 20123130413401 is 10431403132102.

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 14546443440400 + 5576686973001 = 3813980^2 + 2361501^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20123130413401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20123130413411) 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, 31672726 + ... + 32301823.

It is an arithmetic number, because the mean of its divisors is an integer number (5030798675625).

Almost surely, 2^{20123130413401} is an apocalyptic number.

It is an amenable number.

20123130413401 is a deficient number, since it is larger than the sum of its proper divisors (64289099).

20123130413401 is an equidigital number, since it uses as much as digits as its factorization.

20123130413401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64289098.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 20123130413401 its reverse (10431403132102), we get a palindrome (30554533545503).

The spelling of 20123130413401 in words is "twenty trillion, one hundred twenty-three billion, one hundred thirty million, four hundred thirteen thousand, four hundred one".