1423417031643 has 8 divisors (see below), whose sum is σ = 1897955414800. Its totient is φ = 948911668128.

The previous prime is 1423417031639. The next prime is 1423417031669. The reversal of 1423417031643 is 3461307143241.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1423417031643 - 2² = 1423417031639 is a prime.

It is a super-2 number, since 2×1423417031643² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1423417031683) 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, 8154148 + ... + 8326881.

It is an arithmetic number, because the mean of its divisors is an integer number (237244426850).

Almost surely, 2^{1423417031643} is an apocalyptic number.

1423417031643 is a deficient number, since it is larger than the sum of its proper divisors (474538383157).

1423417031643 is a wasteful number, since it uses less digits than its factorization.

1423417031643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16509821.

The product of its (nonzero) digits is 145152, while the sum is 39.

The spelling of 1423417031643 in words is "one trillion, four hundred twenty-three billion, four hundred seventeen million, thirty-one thousand, six hundred forty-three".