23440335323451 has 8 divisors (see below), whose sum is σ = 32898716243520. Its totient is φ = 14804422309512.

The previous prime is 23440335323441. The next prime is 23440335323539. The reversal of 23440335323451 is 15432353304432.

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

It is not a de Polignac number, because 23440335323451 - 2¹³ = 23440335315259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23440335323441) 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, 205616976465 + ... + 205616976578.

It is an arithmetic number, because the mean of its divisors is an integer number (4112339530440).

Almost surely, 2^{23440335323451} is an apocalyptic number.

23440335323451 is a deficient number, since it is larger than the sum of its proper divisors (9458380920069).

23440335323451 is a wasteful number, since it uses less digits than its factorization.

23440335323451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411233953065.

The product of its (nonzero) digits is 1555200, while the sum is 42.

Adding to 23440335323451 its reverse (15432353304432), we get a palindrome (38872688627883).

The spelling of 23440335323451 in words is "twenty-three trillion, four hundred forty billion, three hundred thirty-five million, three hundred twenty-three thousand, four hundred fifty-one".