1423121352 has 16 divisors (see below), whose sum is σ = 3557803440. Its totient is φ = 474373776.

The previous prime is 1423121351. The next prime is 1423121377. The reversal of 1423121352 is 2531213241.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 59296723 = 1423121352 / (1 + 4 + 2 + 3 + 1 + 2 + 1 + 3 + 5 + 2).

It is not an unprimeable number, because it can be changed into a prime (1423121351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29648338 + ... + 29648385.

It is an arithmetic number, because the mean of its divisors is an integer number (222362715).

Almost surely, 2^1423121352 is an apocalyptic number.

1423121352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1423121352 is an abundant number, since it is smaller than the sum of its proper divisors (2134682088).

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

1423121352 is a wasteful number, since it uses less digits than its factorization.

1423121352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59296732 (or 59296728 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 1423121352 is about 37724.2806690863. The cubic root of 1423121352 is about 1124.8138232159.

Adding to 1423121352 its reverse (2531213241), we get a palindrome (3954334593).

The spelling of 1423121352 in words is "one billion, four hundred twenty-three million, one hundred twenty-one thousand, three hundred fifty-two".