1426423515 has 16 divisors (see below), whose sum is σ = 2489757696. Its totient is φ = 691599200.

The previous prime is 1426423469. The next prime is 1426423547. The reversal of 1426423515 is 5153246241.

It is not a de Polignac number, because 1426423515 - 2¹¹ = 1426421467 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 4322331 + ... + 4322660.

It is an arithmetic number, because the mean of its divisors is an integer number (155609856).

Almost surely, 2^1426423515 is an apocalyptic number.

1426423515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1426423515 is a deficient number, since it is larger than the sum of its proper divisors (1063334181).

1426423515 is a wasteful number, since it uses less digits than its factorization.

1426423515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8645010.

The product of its digits is 28800, while the sum is 33.

The square root of 1426423515 is about 37768.0223866699. The cubic root of 1426423515 is about 1125.6831445897.

Adding to 1426423515 its reverse (5153246241), we get a palindrome (6579669756).

The spelling of 1426423515 in words is "one billion, four hundred twenty-six million, four hundred twenty-three thousand, five hundred fifteen".