1423136403 has 24 divisors (see below), whose sum is σ = 2215995600. Its totient is φ = 874895040.

The previous prime is 1423136389. The next prime is 1423136411. The reversal of 1423136403 is 3046313241.

1423136403 is a `hidden beast` number, since 1 + 4 + 2 + 3 + 13 + 640 + 3 = 666.

It is not a de Polignac number, because 1423136403 - 2⁵ = 1423136371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1423136483) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 122073 + ... + 133221.

It is an arithmetic number, because the mean of its divisors is an integer number (92333150).

Almost surely, 2^1423136403 is an apocalyptic number.

1423136403 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1423136403 is a deficient number, since it is larger than the sum of its proper divisors (792859197).

1423136403 is a wasteful number, since it uses less digits than its factorization.

1423136403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12259 (or 12256 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 1423136403 is about 37724.4801554640. The cubic root of 1423136403 is about 1124.8177885637.

Adding to 1423136403 its reverse (3046313241), we get a palindrome (4469449644).

The spelling of 1423136403 in words is "one billion, four hundred twenty-three million, one hundred thirty-six thousand, four hundred three".