23431243433401 has 4 divisors (see below), whose sum is σ = 23432888553552. Its totient is φ = 23429598313252.

The previous prime is 23431243433399. The next prime is 23431243433453. The reversal of 23431243433401 is 10433434213432.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23431243433401 - 2¹ = 23431243433399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23431243437401) 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, 822538711 + ... + 822567196.

It is an arithmetic number, because the mean of its divisors is an integer number (5858222138388).

Almost surely, 2^{23431243433401} is an apocalyptic number.

It is an amenable number.

23431243433401 is a deficient number, since it is larger than the sum of its proper divisors (1645120151).

23431243433401 is a wasteful number, since it uses less digits than its factorization.

23431243433401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1645120150.

The product of its (nonzero) digits is 248832, while the sum is 37.

Adding to 23431243433401 its reverse (10433434213432), we get a palindrome (33864677646833).

The spelling of 23431243433401 in words is "twenty-three trillion, four hundred thirty-one billion, two hundred forty-three million, four hundred thirty-three thousand, four hundred one".