23405461131323 has 8 divisors (see below), whose sum is σ = 23904482299968. Its totient is φ = 22906482989184.

The previous prime is 23405461131307. The next prime is 23405461131341. The reversal of 23405461131323 is 32313116450432.

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 23405461131323 - 2⁴ = 23405461131307 is a prime.

It is a super-2 number, since 2×23405461131323² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23405461131373) 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, 9655886 + ... + 11834147.

It is an arithmetic number, because the mean of its divisors is an integer number (2988060287496).

Almost surely, 2^{23405461131323} is an apocalyptic number.

23405461131323 is a deficient number, since it is larger than the sum of its proper divisors (499021168645).

23405461131323 is a wasteful number, since it uses less digits than its factorization.

23405461131323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21513253.

The product of its (nonzero) digits is 155520, while the sum is 38.

Adding to 23405461131323 its reverse (32313116450432), we get a palindrome (55718577581755).

The spelling of 23405461131323 in words is "twenty-three trillion, four hundred five billion, four hundred sixty-one million, one hundred thirty-one thousand, three hundred twenty-three".