15401426323 has 2 divisors, whose sum is σ = 15401426324. Its totient is φ = 15401426322.

The previous prime is 15401426219. The next prime is 15401426357. The reversal of 15401426323 is 32362410451.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15401426323 - 2⁹ = 15401425811 is a prime.

It is not a weakly prime, because it can be changed into another prime (15401426393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7700713161 + 7700713162.

It is an arithmetic number, because the mean of its divisors is an integer number (7700713162).

Almost surely, 2^15401426323 is an apocalyptic number.

15401426323 is a deficient number, since it is larger than the sum of its proper divisors (1).

15401426323 is an equidigital number, since it uses as much as digits as its factorization.

15401426323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 15401426323 its reverse (32362410451), we get a palindrome (47763836774).

The spelling of 15401426323 in words is "fifteen billion, four hundred one million, four hundred twenty-six thousand, three hundred twenty-three".