1023011879899 has 16 divisors (see below), whose sum is σ = 1108802167200. Its totient is φ = 940551035904.

The previous prime is 1023011879887. The next prime is 1023011879957. The reversal of 1023011879899 is 9989781103201.

It is a cyclic number.

It is not a de Polignac number, because 1023011879899 - 2²⁷ = 1022877662171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1023011879299) 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, 1596982 + ... + 2143915.

It is an arithmetic number, because the mean of its divisors is an integer number (69300135450).

Almost surely, 2^{1023011879899} is an apocalyptic number.

1023011879899 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1023011879899 is a deficient number, since it is larger than the sum of its proper divisors (85790287301).

1023011879899 is a wasteful number, since it uses less digits than its factorization.

1023011879899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3741342.

The product of its (nonzero) digits is 1959552, while the sum is 58.

The spelling of 1023011879899 in words is "one trillion, twenty-three billion, eleven million, eight hundred seventy-nine thousand, eight hundred ninety-nine".