100393143 has 16 divisors (see below), whose sum is σ = 141939936. Its totient is φ = 62899200.

The previous prime is 100393127. The next prime is 100393147. The reversal of 100393143 is 341393001.

It is not a de Polignac number, because 100393143 - 2⁴ = 100393127 is a prime.

It is a super-2 number, since 2×100393143² = 20157566322836898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100393147) 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, 54843 + ... + 56643.

It is an arithmetic number, because the mean of its divisors is an integer number (8871246).

Almost surely, 2^100393143 is an apocalyptic number.

100393143 is a deficient number, since it is larger than the sum of its proper divisors (41546793).

100393143 is a wasteful number, since it uses less digits than its factorization.

100393143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2914.

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 100393143 is about 10019.6378677076. The cubic root of 100393143 is about 464.7663573612.

The spelling of 100393143 in words is "one hundred million, three hundred ninety-three thousand, one hundred forty-three".