424231138823 has 2 divisors, whose sum is σ = 424231138824. Its totient is φ = 424231138822.

The previous prime is 424231138703. The next prime is 424231138831. The reversal of 424231138823 is 328831132424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 424231138823 - 2¹⁴ = 424231122439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424231138223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212115569411 + 212115569412.

It is an arithmetic number, because the mean of its divisors is an integer number (212115569412).

Almost surely, 2^424231138823 is an apocalyptic number.

424231138823 is a deficient number, since it is larger than the sum of its proper divisors (1).

424231138823 is an equidigital number, since it uses as much as digits as its factorization.

424231138823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 221184, while the sum is 41.

The spelling of 424231138823 in words is "four hundred twenty-four billion, two hundred thirty-one million, one hundred thirty-eight thousand, eight hundred twenty-three".