23311143430 has 8 divisors (see below), whose sum is σ = 41960058192. Its totient is φ = 9324457368.

The previous prime is 23311143421. The next prime is 23311143431. The reversal of 23311143430 is 3434111332.

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

It is a junction number, because it is equal to n+sod(n) for n = 23311143395 and 23311143404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23311143431) 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, 1165557162 + ... + 1165557181.

It is an arithmetic number, because the mean of its divisors is an integer number (5245007274).

Almost surely, 2^23311143430 is an apocalyptic number.

23311143430 is a deficient number, since it is larger than the sum of its proper divisors (18648914762).

23311143430 is a wasteful number, since it uses less digits than its factorization.

23311143430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2331114350.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 23311143430 its reverse (3434111332), we get a palindrome (26745254762).

The spelling of 23311143430 in words is "twenty-three billion, three hundred eleven million, one hundred forty-three thousand, four hundred thirty".