23012440431 has 8 divisors (see below), whose sum is σ = 30687697200. Its totient is φ = 15339405312.

The previous prime is 23012440427. The next prime is 23012440433. The reversal of 23012440431 is 13404421032.

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

It is not a de Polignac number, because 23012440431 - 2² = 23012440427 is a prime.

It is a super-2 number, since 2×23012440431² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23012440433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 531090 + ... + 572783.

It is an arithmetic number, because the mean of its divisors is an integer number (3835962150).

Almost surely, 2^23012440431 is an apocalyptic number.

23012440431 is a deficient number, since it is larger than the sum of its proper divisors (7675256769).

23012440431 is a wasteful number, since it uses less digits than its factorization.

23012440431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110825.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 23012440431 its reverse (13404421032), we get a palindrome (36416861463).

The spelling of 23012440431 in words is "twenty-three billion, twelve million, four hundred forty thousand, four hundred thirty-one".