421140401102523 has 8 divisors (see below), whose sum is σ = 566768390269248. Its totient is φ = 278136339668744.

The previous prime is 421140401102497. The next prime is 421140401102539. The reversal of 421140401102523 is 325201104041124.

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 421140401102523 - 2¹⁶ = 421140401036987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (421140401102543) 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, 655981932861 + ... + 655981933502.

It is an arithmetic number, because the mean of its divisors is an integer number (70846048783656).

Almost surely, 2^{421140401102523} is an apocalyptic number.

421140401102523 is a deficient number, since it is larger than the sum of its proper divisors (145627989166725).

421140401102523 is a wasteful number, since it uses less digits than its factorization.

421140401102523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311963866473.

The product of its (nonzero) digits is 7680, while the sum is 30.

Adding to 421140401102523 its reverse (325201104041124), we get a palindrome (746341505143647).

The spelling of 421140401102523 in words is "four hundred twenty-one trillion, one hundred forty billion, four hundred one million, one hundred two thousand, five hundred twenty-three".