1213102023 has 8 divisors (see below), whose sum is σ = 1848536448. Its totient is φ = 693201144.

The previous prime is 1213101991. The next prime is 1213102027. The reversal of 1213102023 is 3202013121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1213102023 - 2⁵ = 1213101991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1213101993 and 1213102011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213102027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28883361 + ... + 28883402.

It is an arithmetic number, because the mean of its divisors is an integer number (231067056).

Almost surely, 2^1213102023 is an apocalyptic number.

1213102023 is a deficient number, since it is larger than the sum of its proper divisors (635434425).

1213102023 is an equidigital number, since it uses as much as digits as its factorization.

1213102023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57766773.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1213102023 is about 34829.6141666829. The cubic root of 1213102023 is about 1066.5120720072.

Adding to 1213102023 its reverse (3202013121), we get a palindrome (4415115144).

The spelling of 1213102023 in words is "one billion, two hundred thirteen million, one hundred two thousand, twenty-three".