1423113020 has 48 divisors (see below), whose sum is σ = 3456649728. Its totient is φ = 482041920.

The previous prime is 1423113019. The next prime is 1423113037. The reversal of 1423113020 is 203113241.

It is a self number, because there is not a number n which added to its sum of digits gives 1423113020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49616 + ... + 72855.

It is an arithmetic number, because the mean of its divisors is an integer number (72013536).

Almost surely, 2^1423113020 is an apocalyptic number.

1423113020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1423113020 is an abundant number, since it is smaller than the sum of its proper divisors (2033536708).

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

1423113020 is a wasteful number, since it uses less digits than its factorization.

1423113020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122570 (or 122568 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1423113020 is about 37724.1702360701. The cubic root of 1423113020 is about 1124.8116280489.

Adding to 1423113020 its reverse (203113241), we get a palindrome (1626226261).

The spelling of 1423113020 in words is "one billion, four hundred twenty-three million, one hundred thirteen thousand, twenty".