1423343043 has 16 divisors (see below), whose sum is σ = 2157696640. Its totient is φ = 926827272.

The previous prime is 1423343041. The next prime is 1423343057. The reversal of 1423343043 is 3403433241.

It is not a de Polignac number, because 1423343043 - 2¹ = 1423343041 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1423342998 and 1423343016.

It is not an unprimeable number, because it can be changed into a prime (1423343041) 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, 611821 + ... + 614142.

It is an arithmetic number, because the mean of its divisors is an integer number (134856040).

Almost surely, 2^1423343043 is an apocalyptic number.

1423343043 is a deficient number, since it is larger than the sum of its proper divisors (734353597).

1423343043 is a wasteful number, since it uses less digits than its factorization.

1423343043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226015 (or 1226009 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

The square root of 1423343043 is about 37727.2188611883. The cubic root of 1423343043 is about 1124.8722272664.

Adding to 1423343043 its reverse (3403433241), we get a palindrome (4826776284).

The spelling of 1423343043 in words is "one billion, four hundred twenty-three million, three hundred forty-three thousand, forty-three".