100023487 has 2 divisors, whose sum is σ = 100023488. Its totient is φ = 100023486.

The previous prime is 100023479. The next prime is 100023499. The reversal of 100023487 is 784320001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100023487 - 2³ = 100023479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100023787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50011743 + 50011744.

It is an arithmetic number, because the mean of its divisors is an integer number (50011744).

Almost surely, 2^100023487 is an apocalyptic number.

100023487 is a deficient number, since it is larger than the sum of its proper divisors (1).

100023487 is an equidigital number, since it uses as much as digits as its factorization.

100023487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 100023487 is about 10001.1742810532. The cubic root of 100023487 is about 464.1952195156.

Adding to 100023487 its reverse (784320001), we get a palindrome (884343488).

The spelling of 100023487 in words is "one hundred million, twenty-three thousand, four hundred eighty-seven".