1423514507621 has 8 divisors (see below), whose sum is σ = 1438794826560. Its totient is φ = 1408270789728.

The previous prime is 1423514507609. The next prime is 1423514507659. The reversal of 1423514507621 is 1267054153241.

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 1423514507621 - 2⁶ = 1423514507557 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 (1423514407621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9072056 + ... + 9227633.

It is an arithmetic number, because the mean of its divisors is an integer number (179849353320).

Almost surely, 2^{1423514507621} is an apocalyptic number.

It is an amenable number.

1423514507621 is a deficient number, since it is larger than the sum of its proper divisors (15280318939).

1423514507621 is a wasteful number, since it uses less digits than its factorization.

1423514507621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18300523.

The product of its (nonzero) digits is 201600, while the sum is 41.

The spelling of 1423514507621 in words is "one trillion, four hundred twenty-three billion, five hundred fourteen million, five hundred seven thousand, six hundred twenty-one".