1323625855819 has 16 divisors (see below), whose sum is σ = 1414962178560. Its totient is φ = 1235109522240.

The previous prime is 1323625855787. The next prime is 1323625855829. The reversal of 1323625855819 is 9185585263231.

It is a cyclic number.

It is not a de Polignac number, because 1323625855819 - 2⁵ = 1323625855787 is a prime.

It is a super-2 number, since 2×1323625855819² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1323625855829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16034152 + ... + 16116490.

It is an arithmetic number, because the mean of its divisors is an integer number (88435136160).

Almost surely, 2^{1323625855819} is an apocalyptic number.

1323625855819 is a deficient number, since it is larger than the sum of its proper divisors (91336322741).

1323625855819 is a wasteful number, since it uses less digits than its factorization.

1323625855819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99450.

The product of its digits is 15552000, while the sum is 58.

The spelling of 1323625855819 in words is "one trillion, three hundred twenty-three billion, six hundred twenty-five million, eight hundred fifty-five thousand, eight hundred nineteen".