1423526020 has 24 divisors (see below), whose sum is σ = 3416462784. Its totient is φ = 488066016.

The previous prime is 1423526009. The next prime is 1423526021. The reversal of 1423526020 is 206253241.

It is not an unprimeable number, because it can be changed into a prime (1423526021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5083882 + ... + 5084161.

It is an arithmetic number, because the mean of its divisors is an integer number (142352616).

Almost surely, 2^1423526020 is an apocalyptic number.

1423526020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1423526020 is an abundant number, since it is smaller than the sum of its proper divisors (1992936764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1423526020 is a wasteful number, since it uses less digits than its factorization.

1423526020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10168059 (or 10168057 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1423526020 is about 37729.6437831051. The cubic root of 1423526020 is about 1124.9204276229.

Adding to 1423526020 its reverse (206253241), we get a palindrome (1629779261).

The spelling of 1423526020 in words is "one billion, four hundred twenty-three million, five hundred twenty-six thousand, twenty".