1010023993 has 8 divisors (see below), whose sum is σ = 1102267296.
Its totient is φ = 917851200.
The previous prime is 1010023991. The next prime is 1010023999. The reversal of 1010023993 is 3993200101.
It can be divided in two parts, 10 and 10023993, that added together give a triangular number (10024003 = T4477).
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 1010023993 - 21 = 1010023991 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1010023991) 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, 14958 + ... + 47368.
It is an arithmetic number, because the mean of its divisors is an integer number (137783412).
Almost surely, 21010023993 is an apocalyptic number.
It is an amenable number.
1010023993 is a deficient number, since it is larger than the sum of its proper divisors (92243303).
1010023993 is a wasteful number, since it uses less digits than its factorization.
1010023993 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35255.
The product of its (nonzero) digits is 1458, while the sum is 28.
The square root of 1010023993 is about 31780.8746418345.
The cubic root of 1010023993 is about 1003.3302282685.
The spelling of 1010023993 in words is "one billion, ten million, twenty-three thousand, nine hundred ninety-three".