100202440423 has 2 divisors, whose sum is σ = 100202440424. Its totient is φ = 100202440422.

The previous prime is 100202440411. The next prime is 100202440427. The reversal of 100202440423 is 324044202001.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100202440423 - 2⁵ = 100202440391 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100202440394 and 100202440403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100202440427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50101220211 + 50101220212.

It is an arithmetic number, because the mean of its divisors is an integer number (50101220212).

Almost surely, 2^100202440423 is an apocalyptic number.

100202440423 is a deficient number, since it is larger than the sum of its proper divisors (1).

100202440423 is an equidigital number, since it uses as much as digits as its factorization.

100202440423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 100202440423 its reverse (324044202001), we get a palindrome (424246642424).

The spelling of 100202440423 in words is "one hundred billion, two hundred two million, four hundred forty thousand, four hundred twenty-three".