1303212023 has 4 divisors (see below), whose sum is σ = 1304287608. Its totient is φ = 1302136440.

The previous prime is 1303212013. The next prime is 1303212037. The reversal of 1303212023 is 3202123031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3202123031 = 5431 ⋅589601.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1303212023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1303211992 and 1303212010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303212013) 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, 535973 + ... + 538398.

It is an arithmetic number, because the mean of its divisors is an integer number (326071902).

Almost surely, 2^1303212023 is an apocalyptic number.

1303212023 is a deficient number, since it is larger than the sum of its proper divisors (1075585).

1303212023 is a wasteful number, since it uses less digits than its factorization.

1303212023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1075584.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1303212023 is about 36100.0280193797. The cubic root of 1303212023 is about 1092.2910101943.

Adding to 1303212023 its reverse (3202123031), we get a palindrome (4505335054).

The spelling of 1303212023 in words is "one billion, three hundred three million, two hundred twelve thousand, twenty-three".