1520234131233 has 8 divisors (see below), whose sum is σ = 2045922569568. Its totient is φ = 1004017556864.

The previous prime is 1520234131223. The next prime is 1520234131237. The reversal of 1520234131233 is 3321314320251.

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

It is a cyclic number.

It is not a de Polignac number, because 1520234131233 - 2¹⁰ = 1520234130209 is a prime.

It is a super-2 number, since 2×1520234131233² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1520234131233.

It is not an unprimeable number, because it can be changed into a prime (1520234131237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2367965616 + ... + 2367966257.

It is an arithmetic number, because the mean of its divisors is an integer number (255740321196).

Almost surely, 2^{1520234131233} is an apocalyptic number.

It is an amenable number.

1520234131233 is a deficient number, since it is larger than the sum of its proper divisors (525688438335).

1520234131233 is a wasteful number, since it uses less digits than its factorization.

1520234131233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4735931983.

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 1520234131233 its reverse (3321314320251), we get a palindrome (4841548451484).

The spelling of 1520234131233 in words is "one trillion, five hundred twenty billion, two hundred thirty-four million, one hundred thirty-one thousand, two hundred thirty-three".