23431221142309 has 8 divisors (see below), whose sum is σ = 23576149675008. Its totient is φ = 23286347631600.

The previous prime is 23431221142297. The next prime is 23431221142411. The reversal of 23431221142309 is 90324112213432.

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

It is a cyclic number.

It is not a de Polignac number, because 23431221142309 - 2⁷ = 23431221142181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23431221182309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12900997 + ... + 14604730.

It is an arithmetic number, because the mean of its divisors is an integer number (2947018709376).

Almost surely, 2^{23431221142309} is an apocalyptic number.

It is an amenable number.

23431221142309 is a deficient number, since it is larger than the sum of its proper divisors (144928532699).

23431221142309 is a wasteful number, since it uses less digits than its factorization.

23431221142309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27510995.

The product of its (nonzero) digits is 62208, while the sum is 37.

The spelling of 23431221142309 in words is "twenty-three trillion, four hundred thirty-one billion, two hundred twenty-one million, one hundred forty-two thousand, three hundred nine".