23243420156321 has 8 divisors (see below), whose sum is σ = 23359726494720. Its totient is φ = 23127403498672.

The previous prime is 23243420156303. The next prime is 23243420156329. The reversal of 23243420156321 is 12365102434232.

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 23243420156321 - 2²² = 23243415962017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23243420156329) 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, 72259310 + ... + 72580263.

It is an arithmetic number, because the mean of its divisors is an integer number (2919965811840).

Almost surely, 2^{23243420156321} is an apocalyptic number.

It is an amenable number.

23243420156321 is a deficient number, since it is larger than the sum of its proper divisors (116306338399).

23243420156321 is a wasteful number, since it uses less digits than its factorization.

23243420156321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144840375.

The product of its (nonzero) digits is 207360, while the sum is 38.

The spelling of 23243420156321 in words is "twenty-three trillion, two hundred forty-three billion, four hundred twenty million, one hundred fifty-six thousand, three hundred twenty-one".