100123402 has 16 divisors (see below), whose sum is σ = 151673760. Its totient is φ = 49568112.

The previous prime is 100123363. The next prime is 100123403. The reversal of 100123402 is 204321001.

It is not an unprimeable number, because it can be changed into a prime (100123403) 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, 136228 + ... + 136960.

It is an arithmetic number, because the mean of its divisors is an integer number (9479610).

Almost surely, 2^100123402 is an apocalyptic number.

100123402 is a deficient number, since it is larger than the sum of its proper divisors (51550358).

100123402 is a wasteful number, since it uses less digits than its factorization.

100123402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1317.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 100123402 is about 10006.1681976669. The cubic root of 100123402 is about 464.3497319942.

Adding to 100123402 its reverse (204321001), we get a palindrome (304444403).

The spelling of 100123402 in words is "one hundred million, one hundred twenty-three thousand, four hundred two".