23120040421443 has 32 divisors (see below), whose sum is σ = 35747481710592. Its totient is φ = 13017813732000.

The previous prime is 23120040421417. The next prime is 23120040421453. The reversal of 23120040421443 is 34412404002132.

It is not a de Polignac number, because 23120040421443 - 2¹³ = 23120040413251 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23120040421443.

It is not an unprimeable number, because it can be changed into a prime (23120040421453) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1930833 + ... + 7068818.

It is an arithmetic number, because the mean of its divisors is an integer number (1117108803456).

Almost surely, 2^{23120040421443} is an apocalyptic number.

23120040421443 is a deficient number, since it is larger than the sum of its proper divisors (12627441289149).

23120040421443 is a wasteful number, since it uses less digits than its factorization.

23120040421443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9001455.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 23120040421443 its reverse (34412404002132), we get a palindrome (57532444423575).

The spelling of 23120040421443 in words is "twenty-three trillion, one hundred twenty billion, forty million, four hundred twenty-one thousand, four hundred forty-three".