23203253106465 has 32 divisors (see below), whose sum is σ = 38698555420800. Its totient is φ = 11857133084160.

The previous prime is 23203253106463. The next prime is 23203253106493. The reversal of 23203253106465 is 56460135230232.

It is not a de Polignac number, because 23203253106465 - 2¹ = 23203253106463 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23203253106463) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 203533900 + ... + 203647869.

It is an arithmetic number, because the mean of its divisors is an integer number (1209329856900).

Almost surely, 2^{23203253106465} is an apocalyptic number.

It is an amenable number.

23203253106465 is a deficient number, since it is larger than the sum of its proper divisors (15495302314335).

23203253106465 is a wasteful number, since it uses less digits than its factorization.

23203253106465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407181937.

The product of its (nonzero) digits is 777600, while the sum is 42.

Adding to 23203253106465 its reverse (56460135230232), we get a palindrome (79663388336697).

The spelling of 23203253106465 in words is "twenty-three trillion, two hundred three billion, two hundred fifty-three million, one hundred six thousand, four hundred sixty-five".