1301423512 has 8 divisors (see below), whose sum is σ = 2440169100. Its totient is φ = 650711752.

The previous prime is 1301423447. The next prime is 1301423521. The reversal of 1301423512 is 2153241031.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81338962 + ... + 81338977.

Almost surely, 2^1301423512 is an apocalyptic number.

It is an amenable number.

1301423512 is a deficient number, since it is larger than the sum of its proper divisors (1138745588).

1301423512 is a wasteful number, since it uses less digits than its factorization.

1301423512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162677945 (or 162677941 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1301423512 is about 36075.2479132161. The cubic root of 1301423512 is about 1091.7910995067.

Adding to 1301423512 its reverse (2153241031), we get a palindrome (3454664543).

The spelling of 1301423512 in words is "one billion, three hundred one million, four hundred twenty-three thousand, five hundred twelve".