23240412343421 has 16 divisors (see below), whose sum is σ = 28622820355584. Its totient is φ = 18375652600704.

The previous prime is 23240412343381. The next prime is 23240412343427. The reversal of 23240412343421 is 12434321404232.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-23240412343421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23240412343427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85738640 + ... + 86009273.

It is an arithmetic number, because the mean of its divisors is an integer number (1788926272224).

Almost surely, 2^{23240412343421} is an apocalyptic number.

It is an amenable number.

23240412343421 is a deficient number, since it is larger than the sum of its proper divisors (5382408012163).

23240412343421 is a wasteful number, since it uses less digits than its factorization.

23240412343421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171749420.

The product of its (nonzero) digits is 110592, while the sum is 35.

Adding to 23240412343421 its reverse (12434321404232), we get a palindrome (35674733747653).

The spelling of 23240412343421 in words is "twenty-three trillion, two hundred forty billion, four hundred twelve million, three hundred forty-three thousand, four hundred twenty-one".