1423354155 has 64 divisors (see below), whose sum is σ = 2494800000. Its totient is φ = 690094080.

The previous prime is 1423354129. The next prime is 1423354171. The reversal of 1423354155 is 5514533241.

It is not a de Polignac number, because 1423354155 - 2⁵ = 1423354123 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1138971 + ... + 1140219.

It is an arithmetic number, because the mean of its divisors is an integer number (38981250).

Almost surely, 2^1423354155 is an apocalyptic number.

1423354155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1423354155 is a deficient number, since it is larger than the sum of its proper divisors (1071445845).

1423354155 is a wasteful number, since it uses less digits than its factorization.

1423354155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1424.

The product of its digits is 36000, while the sum is 33.

The square root of 1423354155 is about 37727.3661285810. The cubic root of 1423354155 is about 1124.8751545410.

Adding to 1423354155 its reverse (5514533241), we get a palindrome (6937887396).

The spelling of 1423354155 in words is "one billion, four hundred twenty-three million, three hundred fifty-four thousand, one hundred fifty-five".