403142123401 has 4 divisors (see below), whose sum is σ = 426856365972. Its totient is φ = 379427880832.

The previous prime is 403142123357. The next prime is 403142123431. The reversal of 403142123401 is 104321241304.

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 243241308025 + 159900815376 = 493195^2 + 399876^2 .

It is a cyclic number.

It is not a de Polignac number, because 403142123401 - 2⁷ = 403142123273 is a prime.

It is a super-2 number, since 2×403142123401² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (403142123431) 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, 11857121260 + ... + 11857121293.

It is an arithmetic number, because the mean of its divisors is an integer number (106714091493).

Almost surely, 2^403142123401 is an apocalyptic number.

It is an amenable number.

403142123401 is a deficient number, since it is larger than the sum of its proper divisors (23714242571).

403142123401 is a wasteful number, since it uses less digits than its factorization.

403142123401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23714242570.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 403142123401 its reverse (104321241304), we get a palindrome (507463364705).

The spelling of 403142123401 in words is "four hundred three billion, one hundred forty-two million, one hundred twenty-three thousand, four hundred one".