1423311141 has 16 divisors (see below), whose sum is σ = 2194988544. Its totient is φ = 803520624.

The previous prime is 1423311133. The next prime is 1423311143. The reversal of 1423311141 is 1411133241.

It is not a de Polignac number, because 1423311141 - 2³ = 1423311133 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423311143) 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, 406551 + ... + 410036.

It is an arithmetic number, because the mean of its divisors is an integer number (137186784).

Almost surely, 2^1423311141 is an apocalyptic number.

It is an amenable number.

1423311141 is a deficient number, since it is larger than the sum of its proper divisors (771677403).

1423311141 is an equidigital number, since it uses as much as digits as its factorization.

1423311141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816680.

The product of its digits is 288, while the sum is 21.

The square root of 1423311141 is about 37726.7960606251. The cubic root of 1423311141 is about 1124.8638231219.

Adding to 1423311141 its reverse (1411133241), we get a palindrome (2834444382).

The spelling of 1423311141 in words is "one billion, four hundred twenty-three million, three hundred eleven thousand, one hundred forty-one".