23043112421 has 8 divisors (see below), whose sum is σ = 26349622464. Its totient is φ = 19740261600.

The previous prime is 23043112397. The next prime is 23043112423. The reversal of 23043112421 is 12421134032.

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 23043112421 - 2⁶ = 23043112357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23043112423) 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, 901295 + ... + 926508.

It is an arithmetic number, because the mean of its divisors is an integer number (3293702808).

Almost surely, 2^23043112421 is an apocalyptic number.

It is an amenable number.

23043112421 is a deficient number, since it is larger than the sum of its proper divisors (3306510043).

23043112421 is a wasteful number, since it uses less digits than its factorization.

23043112421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1829611.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 23043112421 its reverse (12421134032), we get a palindrome (35464246453).

The spelling of 23043112421 in words is "twenty-three billion, forty-three million, one hundred twelve thousand, four hundred twenty-one".