23333344161421 has 8 divisors (see below), whose sum is σ = 26693003510784. Its totient is φ = 19980265929360.

The previous prime is 23333344161377. The next prime is 23333344161487. The reversal of 23333344161421 is 12416144333332.

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 23333344161421 - 2²⁵ = 23333310606989 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 (23333344161221) 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, 1645271725 + ... + 1645285906.

It is an arithmetic number, because the mean of its divisors is an integer number (3336625438848).

Almost surely, 2^{23333344161421} is an apocalyptic number.

It is an amenable number.

23333344161421 is a deficient number, since it is larger than the sum of its proper divisors (3359659349363).

23333344161421 is a wasteful number, since it uses less digits than its factorization.

23333344161421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3290558651.

The product of its digits is 373248, while the sum is 40.

Adding to 23333344161421 its reverse (12416144333332), we get a palindrome (35749488494753).

The spelling of 23333344161421 in words is "twenty-three trillion, three hundred thirty-three billion, three hundred forty-four million, one hundred sixty-one thousand, four hundred twenty-one".