23234331201421 has 2 divisors, whose sum is σ = 23234331201422. Its totient is φ = 23234331201420.

The previous prime is 23234331201409. The next prime is 23234331201443. The reversal of 23234331201421 is 12410213343232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22196253464100 + 1038077737321 = 4711290^2 + 1018861^2 .

It is a cyclic number.

It is not a de Polignac number, because 23234331201421 - 2³³ = 23225741266829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23234331201491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11617165600710 + 11617165600711.

It is an arithmetic number, because the mean of its divisors is an integer number (11617165600711).

Almost surely, 2^{23234331201421} is an apocalyptic number.

It is an amenable number.

23234331201421 is a deficient number, since it is larger than the sum of its proper divisors (1).

23234331201421 is an equidigital number, since it uses as much as digits as its factorization.

23234331201421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 23234331201421 its reverse (12410213343232), we get a palindrome (35644544544653).

The spelling of 23234331201421 in words is "twenty-three trillion, two hundred thirty-four billion, three hundred thirty-one million, two hundred one thousand, four hundred twenty-one".