1423045734421 has 32 divisors (see below), whose sum is σ = 1555426160640. Its totient is φ = 1296643977216.

The previous prime is 1423045734419. The next prime is 1423045734463. The reversal of 1423045734421 is 1244375403241.

It is a cyclic number.

It is not a de Polignac number, because 1423045734421 - 2¹ = 1423045734419 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 (1423045734221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 104806185 + ... + 104819761.

It is an arithmetic number, because the mean of its divisors is an integer number (48607067520).

Almost surely, 2^{1423045734421} is an apocalyptic number.

It is an amenable number.

1423045734421 is a deficient number, since it is larger than the sum of its proper divisors (132380426219).

1423045734421 is a wasteful number, since it uses less digits than its factorization.

1423045734421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14893.

The product of its (nonzero) digits is 322560, while the sum is 40.

The spelling of 1423045734421 in words is "one trillion, four hundred twenty-three billion, forty-five million, seven hundred thirty-four thousand, four hundred twenty-one".