1420123234 has 16 divisors (see below), whose sum is σ = 2174723640. Its totient is φ = 695269120.

The previous prime is 1420123219. The next prime is 1420123259. The reversal of 1420123234 is 4323210241.

It can be written as a sum of positive squares in 4 ways, for example, as 1384063209 + 36060025 = 37203^2 + 6005^2 .

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, 40794 + ... + 67114.

Almost surely, 2^1420123234 is an apocalyptic number.

1420123234 is a deficient number, since it is larger than the sum of its proper divisors (754600406).

1420123234 is a wasteful number, since it uses less digits than its factorization.

1420123234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26885.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1420123234 is about 37684.5224727606. The cubic root of 1420123234 is about 1124.0233786714.

Adding to 1420123234 its reverse (4323210241), we get a palindrome (5743333475).

The spelling of 1420123234 in words is "one billion, four hundred twenty million, one hundred twenty-three thousand, two hundred thirty-four".