1423131546 has 16 divisors (see below), whose sum is σ = 2860713504. Its totient is φ = 471968784.

The previous prime is 1423131527. The next prime is 1423131551. The reversal of 1423131546 is 6451313241.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 600820 + ... + 603183.

It is an arithmetic number, because the mean of its divisors is an integer number (178794594).

Almost surely, 2^1423131546 is an apocalyptic number.

1423131546 is an abundant number, since it is smaller than the sum of its proper divisors (1437581958).

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

1423131546 is a wasteful number, since it uses less digits than its factorization.

1423131546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1204205.

The product of its digits is 8640, while the sum is 30.

The square root of 1423131546 is about 37724.4157807646. The cubic root of 1423131546 is about 1124.8165089379.

Adding to 1423131546 its reverse (6451313241), we get a palindrome (7874444787).

The spelling of 1423131546 in words is "one billion, four hundred twenty-three million, one hundred thirty-one thousand, five hundred forty-six".