345403401001 has 4 divisors (see below), whose sum is σ = 345477225600. Its totient is φ = 345329576404.

The previous prime is 345403400981. The next prime is 345403401017. The reversal of 345403401001 is 100104304543.

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, and also an emirpimes, since its reverse is a distinct semiprime: 100104304543 = 119183 ⋅839921.

It is a cyclic number.

It is not a de Polignac number, because 345403401001 - 2¹⁹ = 345402876713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345403401041) 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, 36905281 + ... + 36914638.

It is an arithmetic number, because the mean of its divisors is an integer number (86369306400).

Almost surely, 2^345403401001 is an apocalyptic number.

It is an amenable number.

345403401001 is a deficient number, since it is larger than the sum of its proper divisors (73824599).

345403401001 is an equidigital number, since it uses as much as digits as its factorization.

345403401001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73824598.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 345403401001 its reverse (100104304543), we get a palindrome (445507705544).

The spelling of 345403401001 in words is "three hundred forty-five billion, four hundred three million, four hundred one thousand, one".