23223245430431 has 4 divisors (see below), whose sum is σ = 23428760876832. Its totient is φ = 23017729984032.

The previous prime is 23223245430389. The next prime is 23223245430457. The reversal of 23223245430431 is 13403454232232.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23223245430431 - 2¹⁸ = 23223245168287 is a prime.

It is a super-2 number, since 2×23223245430431² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23223245430481) 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, 102757723031 + ... + 102757723256.

It is an arithmetic number, because the mean of its divisors is an integer number (5857190219208).

Almost surely, 2^{23223245430431} is an apocalyptic number.

23223245430431 is a deficient number, since it is larger than the sum of its proper divisors (205515446401).

23223245430431 is a wasteful number, since it uses less digits than its factorization.

23223245430431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205515446400.

The product of its (nonzero) digits is 414720, while the sum is 38.

Adding to 23223245430431 its reverse (13403454232232), we get a palindrome (36626699662663).

The spelling of 23223245430431 in words is "twenty-three trillion, two hundred twenty-three billion, two hundred forty-five million, four hundred thirty thousand, four hundred thirty-one".