23401452003145 has 8 divisors (see below), whose sum is σ = 29733609604104. Its totient is φ = 17619916802304.

The previous prime is 23401452003143. The next prime is 23401452003151. The reversal of 23401452003145 is 54130025410432.

It can be written as a sum of positive squares in 4 ways, for example, as 11518340001424 + 11883112001721 = 3393868^2 + 3447189^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23401452003145 - 2¹ = 23401452003143 is a prime.

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 23401452003145.

It is not an unprimeable number, because it can be changed into a prime (23401452003143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137655599934 + ... + 137655600103.

It is an arithmetic number, because the mean of its divisors is an integer number (3716701200513).

Almost surely, 2^{23401452003145} is an apocalyptic number.

It is an amenable number.

23401452003145 is a deficient number, since it is larger than the sum of its proper divisors (6332157600959).

23401452003145 is a wasteful number, since it uses less digits than its factorization.

23401452003145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275311200059.

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 23401452003145 its reverse (54130025410432), we get a palindrome (77531477413577).

The spelling of 23401452003145 in words is "twenty-three trillion, four hundred one billion, four hundred fifty-two million, three thousand, one hundred forty-five".