1421343272623 has 16 divisors (see below), whose sum is σ = 1475916624000. Its totient is φ = 1367147900160.

The previous prime is 1421343272621. The next prime is 1421343272677. The reversal of 1421343272623 is 3262723431241.

It is not a de Polignac number, because 1421343272623 - 2¹ = 1421343272621 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 (1421343272621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11099803 + ... + 11227123.

It is an arithmetic number, because the mean of its divisors is an integer number (92244789000).

Almost surely, 2^{1421343272623} is an apocalyptic number.

1421343272623 is a deficient number, since it is larger than the sum of its proper divisors (54573351377).

1421343272623 is a wasteful number, since it uses less digits than its factorization.

1421343272623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128802.

The product of its digits is 290304, while the sum is 40.

The spelling of 1421343272623 in words is "one trillion, four hundred twenty-one billion, three hundred forty-three million, two hundred seventy-two thousand, six hundred twenty-three".