23431425266353 has 4 divisors (see below), whose sum is σ = 25233842594548. Its totient is φ = 21629007938160.

The previous prime is 23431425266309. The next prime is 23431425266377. The reversal of 23431425266353 is 35366252413432.

It is a happy number.

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 12824470590129 + 10606954676224 = 3581127^2 + 3256832^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23431425266353 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23431425266297 and 23431425266306.

It is not an unprimeable number, because it can be changed into a prime (23431425266303) 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, 901208664078 + ... + 901208664103.

It is an arithmetic number, because the mean of its divisors is an integer number (6308460648637).

Almost surely, 2^{23431425266353} is an apocalyptic number.

It is an amenable number.

23431425266353 is a deficient number, since it is larger than the sum of its proper divisors (1802417328195).

23431425266353 is a wasteful number, since it uses less digits than its factorization.

23431425266353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1802417328194.

The product of its digits is 9331200, while the sum is 49.

Adding to 23431425266353 its reverse (35366252413432), we get a palindrome (58797677679785).

The spelling of 23431425266353 in words is "twenty-three trillion, four hundred thirty-one billion, four hundred twenty-five million, two hundred sixty-six thousand, three hundred fifty-three".