1423013911 has 16 divisors (see below), whose sum is σ = 1636266240. Its totient is φ = 1223925120.

The previous prime is 1423013881. The next prime is 1423013927. The reversal of 1423013911 is 1193103241.

It is not a de Polignac number, because 1423013911 - 2¹⁹ = 1422489623 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 (1423013941) 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, 167871 + ... + 176143.

It is an arithmetic number, because the mean of its divisors is an integer number (102266640).

Almost surely, 2^1423013911 is an apocalyptic number.

1423013911 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1423013911 is a deficient number, since it is larger than the sum of its proper divisors (213252329).

1423013911 is a wasteful number, since it uses less digits than its factorization.

1423013911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9126.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 1423013911 is about 37722.8566124041. The cubic root of 1423013911 is about 1124.7855159173.

The spelling of 1423013911 in words is "one billion, four hundred twenty-three million, thirteen thousand, nine hundred eleven".