1213342023 has 16 divisors (see below), whose sum is σ = 1689891840. Its totient is φ = 772917024.

The previous prime is 1213341949. The next prime is 1213342063. The reversal of 1213342023 is 3202433121.

It is not a de Polignac number, because 1213342023 - 2²⁰ = 1212293447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213342063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61218 + ... + 78576.

It is an arithmetic number, because the mean of its divisors is an integer number (105618240).

Almost surely, 2^1213342023 is an apocalyptic number.

1213342023 is a deficient number, since it is larger than the sum of its proper divisors (476549817).

1213342023 is a wasteful number, since it uses less digits than its factorization.

1213342023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18398.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1213342023 is about 34833.0593402302. The cubic root of 1213342023 is about 1066.5824002550.

Adding to 1213342023 its reverse (3202433121), we get a palindrome (4415775144).

The spelling of 1213342023 in words is "one billion, two hundred thirteen million, three hundred forty-two thousand, twenty-three".